Question: What is 731 * 97?
Let's think step by step.
- 97 = 90 + 7
- 731 * 7 = (700 + 30 + 1) * 7 = 4900 + 210 + 7 = 5117
- 731 * 9 = (700 + 30 + 1) * 9 = 6300 + 270 + 9 = 6579, so 731 * 90 = 65790
- Sum: 5117 + 65790 = 70907
Answer: 70907


Question: What is 55 + 59?
Let's think step by step.
- Add ones: 5 + 9 = 14
- Add tens: 50 + 50 = 100
- Sum: 14 + 100 = 114
Answer: 114


Question: What is 855 * 327?
Let's think step by step.
- 327 = 300 + 20 + 7
- 855 * 7 = (800 + 50 + 5) * 7 = 5600 + 350 + 35 = 5985
- 855 * 2 = (800 + 50 + 5) * 2 = 1600 + 100 + 10 = 1710, so 855 * 20 = 17100
- 855 * 3 = (800 + 50 + 5) * 3 = 2400 + 150 + 15 = 2565, so 855 * 300 = 256500
- Sum: 5985 + 17100 = 23085
- Sum: 23085 + 256500 = 279585
Answer: 279585


Question: What is 682 * 18?
Let's think step by step.
- 18 = 10 + 8
- 682 * 8 = (600 + 80 + 2) * 8 = 4800 + 640 + 16 = 5456
- 682 * 1 = (600 + 80 + 2) * 1 = 600 + 80 + 2 = 682, so 682 * 10 = 6820
- Sum: 5456 + 6820 = 12276
Answer: 12276


Question: What is 907 * 6?
Let's think step by step.
- 907 * 6 = (900 + 7) * 6 = 5400 + 42 = 5442
Answer: 5442


Question: What is 506 + 393?
Let's think step by step.
- Add ones: 6 + 3 = 9
- Add tens: 0 + 90 = 90
- Add hundreds: 500 + 300 = 800
- Sum: 9 + 90 = 99
- Sum: 99 + 800 = 899
Answer: 899


Question: What is 67 * 65?
Let's think step by step.
- 65 = 60 + 5
- 67 * 5 = (60 + 7) * 5 = 300 + 35 = 335
- 67 * 6 = (60 + 7) * 6 = 360 + 42 = 402, so 67 * 60 = 4020
- Sum: 335 + 4020 = 4355
Answer: 4355


Question: What is 968 * 2?
Let's think step by step.
- 968 * 2 = (900 + 60 + 8) * 2 = 1800 + 120 + 16 = 1936
Answer: 1936


Question: What is 95 * 11?
Let's think step by step.
- 11 = 10 + 1
- 95 * 1 = (90 + 5) * 1 = 90 + 5 = 95
- 95 * 1 = (90 + 5) * 1 = 90 + 5 = 95, so 95 * 10 = 950
- Sum: 95 + 950 = 1045
Answer: 1045


Question: What is 874 * 32?
Let's think step by step.
- 32 = 30 + 2
- 874 * 2 = (800 + 70 + 4) * 2 = 1600 + 140 + 8 = 1748
- 874 * 3 = (800 + 70 + 4) * 3 = 2400 + 210 + 12 = 2622, so 874 * 30 = 26220
- Sum: 1748 + 26220 = 27968
Answer: 27968


Question: What is 233 + 902?
Let's think step by step.
- Add ones: 3 + 2 = 5
- Add tens: 30 + 0 = 30
- Add hundreds: 200 + 900 = 1100
- Sum: 5 + 30 = 35
- Sum: 35 + 1100 = 1135
Answer: 1135


Question: What is 30 * 64?
Let's think step by step.
- 64 = 60 + 4
- 30 * 4 = 120
- 30 * 6 = 180, so 30 * 60 = 1800
- Sum: 120 + 1800 = 1920
Answer: 1920


Question: What is 18 + 30?
Let's think step by step.
- Add ones: 8 + 0 = 8
- Add tens: 10 + 30 = 40
- Sum: 8 + 40 = 48
Answer: 48


Question: What is 320 * 8?
Let's think step by step.
- 320 * 8 = (300 + 20) * 8 = 2400 + 160 = 2560
Answer: 2560


Question: What is 550 + 622?
Let's think step by step.
- Add ones: 0 + 2 = 2
- Add tens: 50 + 20 = 70
- Add hundreds: 500 + 600 = 1100
- Sum: 2 + 70 = 72
- Sum: 72 + 1100 = 1172
Answer: 1172


Question: What is 97 - 62?
Let's think step by step.
-   7 - 2 = 5, write 5.
-   9 - 6 = 3, write 3.
Answer: 35


Question: What is 53 + 99?
Let's think step by step.
- Add ones: 3 + 9 = 12
- Add tens: 50 + 90 = 140
- Sum: 12 + 140 = 152
Answer: 152


Question: What is 90 - 45?
Let's think step by step.
- 1st digit from right: 0 < 5, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 5 = 5, write 5.
-   8 - 4 = 4, write 4.
Answer: 45


Question: What is 88 - 11?
Let's think step by step.
-   8 - 1 = 7, write 7.
-   8 - 1 = 7, write 7.
Answer: 77


Question: What is 95 + 72?
Let's think step by step.
- Add ones: 5 + 2 = 7
- Add tens: 90 + 70 = 160
- Sum: 7 + 160 = 167
Answer: 167


Question: What is 15 * 78?
Let's think step by step.
- 78 = 70 + 8
- 15 * 8 = (10 + 5) * 8 = 80 + 40 = 120
- 15 * 7 = (10 + 5) * 7 = 70 + 35 = 105, so 15 * 70 = 1050
- Sum: 120 + 1050 = 1170
Answer: 1170


Question: What is 142 * 93?
Let's think step by step.
- 93 = 90 + 3
- 142 * 3 = (100 + 40 + 2) * 3 = 300 + 120 + 6 = 426
- 142 * 9 = (100 + 40 + 2) * 9 = 900 + 360 + 18 = 1278, so 142 * 90 = 12780
- Sum: 426 + 12780 = 13206
Answer: 13206


Question: What is 99 + 29?
Let's think step by step.
- Add ones: 9 + 9 = 18
- Add tens: 90 + 20 = 110
- Sum: 18 + 110 = 128
Answer: 128


Question: What is 25 + 99?
Let's think step by step.
- Add ones: 5 + 9 = 14
- Add tens: 20 + 90 = 110
- Sum: 14 + 110 = 124
Answer: 124


Question: What is 210 * 6?
Let's think step by step.
- 210 * 6 = (200 + 10) * 6 = 1200 + 60 = 1260
Answer: 1260


Question: What is 379 * 284?
Let's think step by step.
- 284 = 200 + 80 + 4
- 379 * 4 = (300 + 70 + 9) * 4 = 1200 + 280 + 36 = 1516
- 379 * 8 = (300 + 70 + 9) * 8 = 2400 + 560 + 72 = 3032, so 379 * 80 = 30320
- 379 * 2 = (300 + 70 + 9) * 2 = 600 + 140 + 18 = 758, so 379 * 200 = 75800
- Sum: 1516 + 30320 = 31836
- Sum: 31836 + 75800 = 107636
Answer: 107636


Question: What is 3924 - 2836?
Let's think step by step.
- 1st digit from right: 4 < 6, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 6 = 8, write 8.
- 2nd digit from right: 1 < 3, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 3 = 8, write 8.
-   8 - 8 = 0, write 0.
-   3 - 2 = 1, write 1.
Answer: 1088


Question: What is 20 * 93?
Let's think step by step.
- 93 = 90 + 3
- 20 * 3 = 60
- 20 * 9 = 180, so 20 * 90 = 1800
- Sum: 60 + 1800 = 1860
Answer: 1860


Question: What is 303 + 694?
Let's think step by step.
- Add ones: 3 + 4 = 7
- Add tens: 0 + 90 = 90
- Add hundreds: 300 + 600 = 900
- Sum: 7 + 90 = 97
- Sum: 97 + 900 = 997
Answer: 997


Question: What is 864 - 698?
Let's think step by step.
- 1st digit from right: 4 < 8, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 8 = 6, write 6.
- 2nd digit from right: 5 < 9, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 9 = 6, write 6.
-   7 - 6 = 1, write 1.
Answer: 166


Question: What is 220 * 9?
Let's think step by step.
- 220 * 9 = (200 + 20) * 9 = 1800 + 180 = 1980
Answer: 1980


Question: What is 195 * 99?
Let's think step by step.
- 99 = 90 + 9
- 195 * 9 = (100 + 90 + 5) * 9 = 900 + 810 + 45 = 1755
- 195 * 9 = (100 + 90 + 5) * 9 = 900 + 810 + 45 = 1755, so 195 * 90 = 17550
- Sum: 1755 + 17550 = 19305
Answer: 19305


Question: What is 675 - 162?
Let's think step by step.
-   5 - 2 = 3, write 3.
-   7 - 6 = 1, write 1.
-   6 - 1 = 5, write 5.
Answer: 513


Question: What is 772 + 198?
Let's think step by step.
- Add ones: 2 + 8 = 10
- Add tens: 70 + 90 = 160
- Add hundreds: 700 + 100 = 800
- Sum: 10 + 160 = 170
- Sum: 170 + 800 = 970
Answer: 970


Question: What is 656 * 424?
Let's think step by step.
- 424 = 400 + 20 + 4
- 656 * 4 = (600 + 50 + 6) * 4 = 2400 + 200 + 24 = 2624
- 656 * 2 = (600 + 50 + 6) * 2 = 1200 + 100 + 12 = 1312, so 656 * 20 = 13120
- 656 * 4 = (600 + 50 + 6) * 4 = 2400 + 200 + 24 = 2624, so 656 * 400 = 262400
- Sum: 2624 + 13120 = 15744
- Sum: 15744 + 262400 = 278144
Answer: 278144


Question: What is 2612 - 1081?
Let's think step by step.
-   2 - 1 = 1, write 1.
- 2nd digit from right: 1 < 8, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 8 = 3, write 3.
-   5 - 0 = 5, write 5.
-   2 - 1 = 1, write 1.
Answer: 1531


Question: What is 88 - 3?
Let's think step by step.
-   8 - 3 = 5, write 5.
-   8 - 0 = 8, write 8.
Answer: 85


Question: What is 735 + 195?
Let's think step by step.
- Add ones: 5 + 5 = 10
- Add tens: 30 + 90 = 120
- Add hundreds: 700 + 100 = 800
- Sum: 10 + 120 = 130
- Sum: 130 + 800 = 930
Answer: 930


Question: What is 52 - 29?
Let's think step by step.
- 1st digit from right: 2 < 9, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 9 = 3, write 3.
-   4 - 2 = 2, write 2.
Answer: 23


Question: What is 886 - 492?
Let's think step by step.
-   6 - 2 = 4, write 4.
- 2nd digit from right: 8 < 9, borrow 1 from the next digit: 8 + 10 = 18.
-   18 - 9 = 9, write 9.
-   7 - 4 = 3, write 3.
Answer: 394


Question: What is 530 * 583?
Let's think step by step.
- 583 = 500 + 80 + 3
- 530 * 3 = (500 + 30) * 3 = 1500 + 90 = 1590
- 530 * 8 = (500 + 30) * 8 = 4000 + 240 = 4240, so 530 * 80 = 42400
- 530 * 5 = (500 + 30) * 5 = 2500 + 150 = 2650, so 530 * 500 = 265000
- Sum: 1590 + 42400 = 43990
- Sum: 43990 + 265000 = 308990
Answer: 308990


Question: What is 6917 - 2798?
Let's think step by step.
- 1st digit from right: 7 < 8, borrow 1 from the next digit: 7 + 10 = 17.
-   17 - 8 = 9, write 9.
- 2nd digit from right: 0 < 9, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 9 = 1, write 1.
-   8 - 7 = 1, write 1.
-   6 - 2 = 4, write 4.
Answer: 4119


Question: What is 14 * 58?
Let's think step by step.
- 58 = 50 + 8
- 14 * 8 = (10 + 4) * 8 = 80 + 32 = 112
- 14 * 5 = (10 + 4) * 5 = 50 + 20 = 70, so 14 * 50 = 700
- Sum: 112 + 700 = 812
Answer: 812


Question: What is 91 * 90?
Let's think step by step.
- 90 = 90
- 91 * 9 = (90 + 1) * 9 = 810 + 9 = 819, so 91 * 90 = 8190
Answer: 8190


Question: What is 905 - 545?
Let's think step by step.
-   5 - 5 = 0, write 0.
- 2nd digit from right: 0 < 4, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 4 = 6, write 6.
-   8 - 5 = 3, write 3.
Answer: 360


Question: What is 231 * 5?
Let's think step by step.
- 231 * 5 = (200 + 30 + 1) * 5 = 1000 + 150 + 5 = 1155
Answer: 1155


Question: What is 16 + 43?
Let's think step by step.
- Add ones: 6 + 3 = 9
- Add tens: 10 + 40 = 50
- Sum: 9 + 50 = 59
Answer: 59


Question: What is 33 - 28?
Let's think step by step.
- 1st digit from right: 3 < 8, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 8 = 5, write 5.
-   2 - 2 = 0, write 0.
Answer: 5


Question: What is 8285 - 3027?
Let's think step by step.
- 1st digit from right: 5 < 7, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 7 = 8, write 8.
-   7 - 2 = 5, write 5.
-   2 - 0 = 2, write 2.
-   8 - 3 = 5, write 5.
Answer: 5258


Question: What is 863 * 9?
Let's think step by step.
- 863 * 9 = (800 + 60 + 3) * 9 = 7200 + 540 + 27 = 7767
Answer: 7767


Question: What is 10 * 91?
Let's think step by step.
- 91 = 90 + 1
- 10 * 1 = 10
- 10 * 9 = 90, so 10 * 90 = 900
- Sum: 10 + 900 = 910
Answer: 910


Question: What is 402 + 625?
Let's think step by step.
- Add ones: 2 + 5 = 7
- Add tens: 0 + 20 = 20
- Add hundreds: 400 + 600 = 1000
- Sum: 7 + 20 = 27
- Sum: 27 + 1000 = 1027
Answer: 1027


Question: What is 863 + 994?
Let's think step by step.
- Add ones: 3 + 4 = 7
- Add tens: 60 + 90 = 150
- Add hundreds: 800 + 900 = 1700
- Sum: 7 + 150 = 157
- Sum: 157 + 1700 = 1857
Answer: 1857


Question: What is 986 - 55?
Let's think step by step.
-   6 - 5 = 1, write 1.
-   8 - 5 = 3, write 3.
-   9 - 0 = 9, write 9.
Answer: 931


Question: What is 23 * 86?
Let's think step by step.
- 86 = 80 + 6
- 23 * 6 = (20 + 3) * 6 = 120 + 18 = 138
- 23 * 8 = (20 + 3) * 8 = 160 + 24 = 184, so 23 * 80 = 1840
- Sum: 138 + 1840 = 1978
Answer: 1978


Question: What is 86 * 44?
Let's think step by step.
- 44 = 40 + 4
- 86 * 4 = (80 + 6) * 4 = 320 + 24 = 344
- 86 * 4 = (80 + 6) * 4 = 320 + 24 = 344, so 86 * 40 = 3440
- Sum: 344 + 3440 = 3784
Answer: 3784


Question: What is 52 + 10?
Let's think step by step.
- Add ones: 2 + 0 = 2
- Add tens: 50 + 10 = 60
- Sum: 2 + 60 = 62
Answer: 62


Question: What is 62 * 5?
Let's think step by step.
- 62 * 5 = (60 + 2) * 5 = 300 + 10 = 310
Answer: 310


Question: What is 237 * 17?
Let's think step by step.
- 17 = 10 + 7
- 237 * 7 = (200 + 30 + 7) * 7 = 1400 + 210 + 49 = 1659
- 237 * 1 = (200 + 30 + 7) * 1 = 200 + 30 + 7 = 237, so 237 * 10 = 2370
- Sum: 1659 + 2370 = 4029
Answer: 4029


Question: What is 464 - 9?
Let's think step by step.
- 1st digit from right: 4 < 9, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 9 = 5, write 5.
-   5 - 0 = 5, write 5.
-   4 - 0 = 4, write 4.
Answer: 455


Question: What is 999 * 2?
Let's think step by step.
- 999 * 2 = (900 + 90 + 9) * 2 = 1800 + 180 + 18 = 1998
Answer: 1998


Question: What is 141 * 71?
Let's think step by step.
- 71 = 70 + 1
- 141 * 1 = (100 + 40 + 1) * 1 = 100 + 40 + 1 = 141
- 141 * 7 = (100 + 40 + 1) * 7 = 700 + 280 + 7 = 987, so 141 * 70 = 9870
- Sum: 141 + 9870 = 10011
Answer: 10011


Question: What is 489 + 303?
Let's think step by step.
- Add ones: 9 + 3 = 12
- Add tens: 80 + 0 = 80
- Add hundreds: 400 + 300 = 700
- Sum: 12 + 80 = 92
- Sum: 92 + 700 = 792
Answer: 792


Question: What is 45 * 67?
Let's think step by step.
- 67 = 60 + 7
- 45 * 7 = (40 + 5) * 7 = 280 + 35 = 315
- 45 * 6 = (40 + 5) * 6 = 240 + 30 = 270, so 45 * 60 = 2700
- Sum: 315 + 2700 = 3015
Answer: 3015


Question: What is 452 * 364?
Let's think step by step.
- 364 = 300 + 60 + 4
- 452 * 4 = (400 + 50 + 2) * 4 = 1600 + 200 + 8 = 1808
- 452 * 6 = (400 + 50 + 2) * 6 = 2400 + 300 + 12 = 2712, so 452 * 60 = 27120
- 452 * 3 = (400 + 50 + 2) * 3 = 1200 + 150 + 6 = 1356, so 452 * 300 = 135600
- Sum: 1808 + 27120 = 28928
- Sum: 28928 + 135600 = 164528
Answer: 164528


Question: What is 71 * 19?
Let's think step by step.
- 19 = 10 + 9
- 71 * 9 = (70 + 1) * 9 = 630 + 9 = 639
- 71 * 1 = (70 + 1) * 1 = 70 + 1 = 71, so 71 * 10 = 710
- Sum: 639 + 710 = 1349
Answer: 1349


Question: What is 902 - 137?
Let's think step by step.
- 1st digit from right: 2 < 7, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 7 = 5, write 5.
- 2nd digit from right: reduced to -1 by the previous borrow; -1 < 3, so borrow again: -1 + 10 = 9.
-   9 - 3 = 6, write 6.
-   8 - 1 = 7, write 7.
Answer: 765


Question: What is 281 - 156?
Let's think step by step.
- 1st digit from right: 1 < 6, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 6 = 5, write 5.
-   7 - 5 = 2, write 2.
-   2 - 1 = 1, write 1.
Answer: 125


Question: What is 145 + 320?
Let's think step by step.
- Add ones: 5 + 0 = 5
- Add tens: 40 + 20 = 60
- Add hundreds: 100 + 300 = 400
- Sum: 5 + 60 = 65
- Sum: 65 + 400 = 465
Answer: 465


Question: What is 299 * 26?
Let's think step by step.
- 26 = 20 + 6
- 299 * 6 = (200 + 90 + 9) * 6 = 1200 + 540 + 54 = 1794
- 299 * 2 = (200 + 90 + 9) * 2 = 400 + 180 + 18 = 598, so 299 * 20 = 5980
- Sum: 1794 + 5980 = 7774
Answer: 7774


Question: What is 492 + 412?
Let's think step by step.
- Add ones: 2 + 2 = 4
- Add tens: 90 + 10 = 100
- Add hundreds: 400 + 400 = 800
- Sum: 4 + 100 = 104
- Sum: 104 + 800 = 904
Answer: 904


Question: What is 60 * 58?
Let's think step by step.
- 58 = 50 + 8
- 60 * 8 = 480
- 60 * 5 = 300, so 60 * 50 = 3000
- Sum: 480 + 3000 = 3480
Answer: 3480


Question: What is 206 + 999?
Let's think step by step.
- Add ones: 6 + 9 = 15
- Add tens: 0 + 90 = 90
- Add hundreds: 200 + 900 = 1100
- Sum: 15 + 90 = 105
- Sum: 105 + 1100 = 1205
Answer: 1205


Question: What is 660 + 183?
Let's think step by step.
- Add ones: 0 + 3 = 3
- Add tens: 60 + 80 = 140
- Add hundreds: 600 + 100 = 700
- Sum: 3 + 140 = 143
- Sum: 143 + 700 = 843
Answer: 843


Question: What is 28 * 62?
Let's think step by step.
- 62 = 60 + 2
- 28 * 2 = (20 + 8) * 2 = 40 + 16 = 56
- 28 * 6 = (20 + 8) * 6 = 120 + 48 = 168, so 28 * 60 = 1680
- Sum: 56 + 1680 = 1736
Answer: 1736


Question: What is 524 - 512?
Let's think step by step.
-   4 - 2 = 2, write 2.
-   2 - 1 = 1, write 1.
-   5 - 5 = 0, write 0.
Answer: 12


Question: What is 21 * 89?
Let's think step by step.
- 89 = 80 + 9
- 21 * 9 = (20 + 1) * 9 = 180 + 9 = 189
- 21 * 8 = (20 + 1) * 8 = 160 + 8 = 168, so 21 * 80 = 1680
- Sum: 189 + 1680 = 1869
Answer: 1869


Question: What is 421 * 898?
Let's think step by step.
- 898 = 800 + 90 + 8
- 421 * 8 = (400 + 20 + 1) * 8 = 3200 + 160 + 8 = 3368
- 421 * 9 = (400 + 20 + 1) * 9 = 3600 + 180 + 9 = 3789, so 421 * 90 = 37890
- 421 * 8 = (400 + 20 + 1) * 8 = 3200 + 160 + 8 = 3368, so 421 * 800 = 336800
- Sum: 3368 + 37890 = 41258
- Sum: 41258 + 336800 = 378058
Answer: 378058


Question: What is 68 + 44?
Let's think step by step.
- Add ones: 8 + 4 = 12
- Add tens: 60 + 40 = 100
- Sum: 12 + 100 = 112
Answer: 112


Question: What is 5370 - 706?
Let's think step by step.
- 1st digit from right: 0 < 6, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 6 = 4, write 4.
-   6 - 0 = 6, write 6.
- 3rd digit from right: 3 < 7, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 7 = 6, write 6.
-   4 - 0 = 4, write 4.
Answer: 4664


Question: What is 20 * 55?
Let's think step by step.
- 55 = 50 + 5
- 20 * 5 = 100
- 20 * 5 = 100, so 20 * 50 = 1000
- Sum: 100 + 1000 = 1100
Answer: 1100


Question: What is 983 * 3?
Let's think step by step.
- 983 * 3 = (900 + 80 + 3) * 3 = 2700 + 240 + 9 = 2949
Answer: 2949


Question: What is 87 + 22?
Let's think step by step.
- Add ones: 7 + 2 = 9
- Add tens: 80 + 20 = 100
- Sum: 9 + 100 = 109
Answer: 109


Question: What is 19 * 12?
Let's think step by step.
- 12 = 10 + 2
- 19 * 2 = (10 + 9) * 2 = 20 + 18 = 38
- 19 * 1 = (10 + 9) * 1 = 10 + 9 = 19, so 19 * 10 = 190
- Sum: 38 + 190 = 228
Answer: 228


Question: What is 52 + 58?
Let's think step by step.
- Add ones: 2 + 8 = 10
- Add tens: 50 + 50 = 100
- Sum: 10 + 100 = 110
Answer: 110


Question: What is 79 - 27?
Let's think step by step.
-   9 - 7 = 2, write 2.
-   7 - 2 = 5, write 5.
Answer: 52


Question: What is 292 - 211?
Let's think step by step.
-   2 - 1 = 1, write 1.
-   9 - 1 = 8, write 8.
-   2 - 2 = 0, write 0.
Answer: 81


Question: What is 675 + 163?
Let's think step by step.
- Add ones: 5 + 3 = 8
- Add tens: 70 + 60 = 130
- Add hundreds: 600 + 100 = 700
- Sum: 8 + 130 = 138
- Sum: 138 + 700 = 838
Answer: 838


Question: What is 773 - 765?
Let's think step by step.
- 1st digit from right: 3 < 5, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 5 = 8, write 8.
-   6 - 6 = 0, write 0.
-   7 - 7 = 0, write 0.
Answer: 8


Question: What is 925 + 508?
Let's think step by step.
- Add ones: 5 + 8 = 13
- Add tens: 20 + 0 = 20
- Add hundreds: 900 + 500 = 1400
- Sum: 13 + 20 = 33
- Sum: 33 + 1400 = 1433
Answer: 1433


Question: What is 91 + 76?
Let's think step by step.
- Add ones: 1 + 6 = 7
- Add tens: 90 + 70 = 160
- Sum: 7 + 160 = 167
Answer: 167


Question: What is 302 * 79?
Let's think step by step.
- 79 = 70 + 9
- 302 * 9 = (300 + 2) * 9 = 2700 + 18 = 2718
- 302 * 7 = (300 + 2) * 7 = 2100 + 14 = 2114, so 302 * 70 = 21140
- Sum: 2718 + 21140 = 23858
Answer: 23858


Question: What is 9816 - 5372?
Let's think step by step.
-   6 - 2 = 4, write 4.
- 2nd digit from right: 1 < 7, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 7 = 4, write 4.
-   7 - 3 = 4, write 4.
-   9 - 5 = 4, write 4.
Answer: 4444


Question: What is 727 + 815?
Let's think step by step.
- Add ones: 7 + 5 = 12
- Add tens: 20 + 10 = 30
- Add hundreds: 700 + 800 = 1500
- Sum: 12 + 30 = 42
- Sum: 42 + 1500 = 1542
Answer: 1542


Question: What is 78 * 59?
Let's think step by step.
- 59 = 50 + 9
- 78 * 9 = (70 + 8) * 9 = 630 + 72 = 702
- 78 * 5 = (70 + 8) * 5 = 350 + 40 = 390, so 78 * 50 = 3900
- Sum: 702 + 3900 = 4602
Answer: 4602


Question: What is 109 * 98?
Let's think step by step.
- 98 = 90 + 8
- 109 * 8 = (100 + 9) * 8 = 800 + 72 = 872
- 109 * 9 = (100 + 9) * 9 = 900 + 81 = 981, so 109 * 90 = 9810
- Sum: 872 + 9810 = 10682
Answer: 10682


Question: What is 926 + 550?
Let's think step by step.
- Add ones: 6 + 0 = 6
- Add tens: 20 + 50 = 70
- Add hundreds: 900 + 500 = 1400
- Sum: 6 + 70 = 76
- Sum: 76 + 1400 = 1476
Answer: 1476


Question: What is 68 + 37?
Let's think step by step.
- Add ones: 8 + 7 = 15
- Add tens: 60 + 30 = 90
- Sum: 15 + 90 = 105
Answer: 105


Question: What is 8986 - 7706?
Let's think step by step.
-   6 - 6 = 0, write 0.
-   8 - 0 = 8, write 8.
-   9 - 7 = 2, write 2.
-   8 - 7 = 1, write 1.
Answer: 1280


Question: What is 56 + 36?
Let's think step by step.
- Add ones: 6 + 6 = 12
- Add tens: 50 + 30 = 80
- Sum: 12 + 80 = 92
Answer: 92


Question: What is 48 * 58?
Let's think step by step.
- 58 = 50 + 8
- 48 * 8 = (40 + 8) * 8 = 320 + 64 = 384
- 48 * 5 = (40 + 8) * 5 = 200 + 40 = 240, so 48 * 50 = 2400
- Sum: 384 + 2400 = 2784
Answer: 2784


Question: What is 395 * 92?
Let's think step by step.
- 92 = 90 + 2
- 395 * 2 = (300 + 90 + 5) * 2 = 600 + 180 + 10 = 790
- 395 * 9 = (300 + 90 + 5) * 9 = 2700 + 810 + 45 = 3555, so 395 * 90 = 35550
- Sum: 790 + 35550 = 36340
Answer: 36340


Question: What is 72 - 52?
Let's think step by step.
-   2 - 2 = 0, write 0.
-   7 - 5 = 2, write 2.
Answer: 20


Question: What is 292 + 701?
Let's think step by step.
- Add ones: 2 + 1 = 3
- Add tens: 90 + 0 = 90
- Add hundreds: 200 + 700 = 900
- Sum: 3 + 90 = 93
- Sum: 93 + 900 = 993
Answer: 993


Question: What is 63 - 12?
Let's think step by step.
-   3 - 2 = 1, write 1.
-   6 - 1 = 5, write 5.
Answer: 51


Question: What is 625 * 65?
Let's think step by step.
- 65 = 60 + 5
- 625 * 5 = (600 + 20 + 5) * 5 = 3000 + 100 + 25 = 3125
- 625 * 6 = (600 + 20 + 5) * 6 = 3600 + 120 + 30 = 3750, so 625 * 60 = 37500
- Sum: 3125 + 37500 = 40625
Answer: 40625


Question: What is 9847 - 8381?
Let's think step by step.
-   7 - 1 = 6, write 6.
- 2nd digit from right: 4 < 8, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 8 = 6, write 6.
-   7 - 3 = 4, write 4.
-   9 - 8 = 1, write 1.
Answer: 1466


Question: What is 209 + 544?
Let's think step by step.
- Add ones: 9 + 4 = 13
- Add tens: 0 + 40 = 40
- Add hundreds: 200 + 500 = 700
- Sum: 13 + 40 = 53
- Sum: 53 + 700 = 753
Answer: 753


Question: What is 57 - 53?
Let's think step by step.
-   7 - 3 = 4, write 4.
-   5 - 5 = 0, write 0.
Answer: 4


Question: What is 848 - 126?
Let's think step by step.
-   8 - 6 = 2, write 2.
-   4 - 2 = 2, write 2.
-   8 - 1 = 7, write 7.
Answer: 722


Question: What is 514 * 7?
Let's think step by step.
- 514 * 7 = (500 + 10 + 4) * 7 = 3500 + 70 + 28 = 3598
Answer: 3598


Question: What is 805 * 359?
Let's think step by step.
- 359 = 300 + 50 + 9
- 805 * 9 = (800 + 5) * 9 = 7200 + 45 = 7245
- 805 * 5 = (800 + 5) * 5 = 4000 + 25 = 4025, so 805 * 50 = 40250
- 805 * 3 = (800 + 5) * 3 = 2400 + 15 = 2415, so 805 * 300 = 241500
- Sum: 7245 + 40250 = 47495
- Sum: 47495 + 241500 = 288995
Answer: 288995


Question: What is 18 * 48?
Let's think step by step.
- 48 = 40 + 8
- 18 * 8 = (10 + 8) * 8 = 80 + 64 = 144
- 18 * 4 = (10 + 8) * 4 = 40 + 32 = 72, so 18 * 40 = 720
- Sum: 144 + 720 = 864
Answer: 864


Question: What is 94 - 71?
Let's think step by step.
-   4 - 1 = 3, write 3.
-   9 - 7 = 2, write 2.
Answer: 23


Question: What is 638 * 9?
Let's think step by step.
- 638 * 9 = (600 + 30 + 8) * 9 = 5400 + 270 + 72 = 5742
Answer: 5742


Question: What is 33 - 15?
Let's think step by step.
- 1st digit from right: 3 < 5, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 5 = 8, write 8.
-   2 - 1 = 1, write 1.
Answer: 18


Question: What is 614 + 202?
Let's think step by step.
- Add ones: 4 + 2 = 6
- Add tens: 10 + 0 = 10
- Add hundreds: 600 + 200 = 800
- Sum: 6 + 10 = 16
- Sum: 16 + 800 = 816
Answer: 816


Question: What is 914 * 2?
Let's think step by step.
- 914 * 2 = (900 + 10 + 4) * 2 = 1800 + 20 + 8 = 1828
Answer: 1828


Question: What is 743 * 307?
Let's think step by step.
- 307 = 300 + 7
- 743 * 7 = (700 + 40 + 3) * 7 = 4900 + 280 + 21 = 5201
- 743 * 3 = (700 + 40 + 3) * 3 = 2100 + 120 + 9 = 2229, so 743 * 300 = 222900
- Sum: 5201 + 222900 = 228101
Answer: 228101


Question: What is 329 * 3?
Let's think step by step.
- 329 * 3 = (300 + 20 + 9) * 3 = 900 + 60 + 27 = 987
Answer: 987


Question: What is 351 + 621?
Let's think step by step.
- Add ones: 1 + 1 = 2
- Add tens: 50 + 20 = 70
- Add hundreds: 300 + 600 = 900
- Sum: 2 + 70 = 72
- Sum: 72 + 900 = 972
Answer: 972


Question: What is 767 - 560?
Let's think step by step.
-   7 - 0 = 7, write 7.
-   6 - 6 = 0, write 0.
-   7 - 5 = 2, write 2.
Answer: 207


Question: What is 995 - 678?
Let's think step by step.
- 1st digit from right: 5 < 8, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 8 = 7, write 7.
-   8 - 7 = 1, write 1.
-   9 - 6 = 3, write 3.
Answer: 317


Question: What is 329 + 880?
Let's think step by step.
- Add ones: 9 + 0 = 9
- Add tens: 20 + 80 = 100
- Add hundreds: 300 + 800 = 1100
- Sum: 9 + 100 = 109
- Sum: 109 + 1100 = 1209
Answer: 1209


Question: What is 252 + 291?
Let's think step by step.
- Add ones: 2 + 1 = 3
- Add tens: 50 + 90 = 140
- Add hundreds: 200 + 200 = 400
- Sum: 3 + 140 = 143
- Sum: 143 + 400 = 543
Answer: 543


Question: What is 31 * 59?
Let's think step by step.
- 59 = 50 + 9
- 31 * 9 = (30 + 1) * 9 = 270 + 9 = 279
- 31 * 5 = (30 + 1) * 5 = 150 + 5 = 155, so 31 * 50 = 1550
- Sum: 279 + 1550 = 1829
Answer: 1829


Question: What is 817 * 4?
Let's think step by step.
- 817 * 4 = (800 + 10 + 7) * 4 = 3200 + 40 + 28 = 3268
Answer: 3268


Question: What is 891 * 998?
Let's think step by step.
- 998 = 900 + 90 + 8
- 891 * 8 = (800 + 90 + 1) * 8 = 6400 + 720 + 8 = 7128
- 891 * 9 = (800 + 90 + 1) * 9 = 7200 + 810 + 9 = 8019, so 891 * 90 = 80190
- 891 * 9 = (800 + 90 + 1) * 9 = 7200 + 810 + 9 = 8019, so 891 * 900 = 801900
- Sum: 7128 + 80190 = 87318
- Sum: 87318 + 801900 = 889218
Answer: 889218


Question: What is 470 + 188?
Let's think step by step.
- Add ones: 0 + 8 = 8
- Add tens: 70 + 80 = 150
- Add hundreds: 400 + 100 = 500
- Sum: 8 + 150 = 158
- Sum: 158 + 500 = 658
Answer: 658


Question: What is 846 * 439?
Let's think step by step.
- 439 = 400 + 30 + 9
- 846 * 9 = (800 + 40 + 6) * 9 = 7200 + 360 + 54 = 7614
- 846 * 3 = (800 + 40 + 6) * 3 = 2400 + 120 + 18 = 2538, so 846 * 30 = 25380
- 846 * 4 = (800 + 40 + 6) * 4 = 3200 + 160 + 24 = 3384, so 846 * 400 = 338400
- Sum: 7614 + 25380 = 32994
- Sum: 32994 + 338400 = 371394
Answer: 371394


Question: What is 508 - 236?
Let's think step by step.
-   8 - 6 = 2, write 2.
- 2nd digit from right: 0 < 3, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 3 = 7, write 7.
-   4 - 2 = 2, write 2.
Answer: 272


Question: What is 85 + 30?
Let's think step by step.
- Add ones: 5 + 0 = 5
- Add tens: 80 + 30 = 110
- Sum: 5 + 110 = 115
Answer: 115


Question: What is 906 * 4?
Let's think step by step.
- 906 * 4 = (900 + 6) * 4 = 3600 + 24 = 3624
Answer: 3624


Question: What is 419 + 801?
Let's think step by step.
- Add ones: 9 + 1 = 10
- Add tens: 10 + 0 = 10
- Add hundreds: 400 + 800 = 1200
- Sum: 10 + 10 = 20
- Sum: 20 + 1200 = 1220
Answer: 1220


Question: What is 96 - 45?
Let's think step by step.
-   6 - 5 = 1, write 1.
-   9 - 4 = 5, write 5.
Answer: 51


Question: What is 29 * 64?
Let's think step by step.
- 64 = 60 + 4
- 29 * 4 = (20 + 9) * 4 = 80 + 36 = 116
- 29 * 6 = (20 + 9) * 6 = 120 + 54 = 174, so 29 * 60 = 1740
- Sum: 116 + 1740 = 1856
Answer: 1856


Question: What is 741 + 882?
Let's think step by step.
- Add ones: 1 + 2 = 3
- Add tens: 40 + 80 = 120
- Add hundreds: 700 + 800 = 1500
- Sum: 3 + 120 = 123
- Sum: 123 + 1500 = 1623
Answer: 1623


Question: What is 510 + 993?
Let's think step by step.
- Add ones: 0 + 3 = 3
- Add tens: 10 + 90 = 100
- Add hundreds: 500 + 900 = 1400
- Sum: 3 + 100 = 103
- Sum: 103 + 1400 = 1503
Answer: 1503


Question: What is 999 * 81?
Let's think step by step.
- 81 = 80 + 1
- 999 * 1 = (900 + 90 + 9) * 1 = 900 + 90 + 9 = 999
- 999 * 8 = (900 + 90 + 9) * 8 = 7200 + 720 + 72 = 7992, so 999 * 80 = 79920
- Sum: 999 + 79920 = 80919
Answer: 80919


Question: What is 401 * 66?
Let's think step by step.
- 66 = 60 + 6
- 401 * 6 = (400 + 1) * 6 = 2400 + 6 = 2406
- 401 * 6 = (400 + 1) * 6 = 2400 + 6 = 2406, so 401 * 60 = 24060
- Sum: 2406 + 24060 = 26466
Answer: 26466


Question: What is 59 * 54?
Let's think step by step.
- 54 = 50 + 4
- 59 * 4 = (50 + 9) * 4 = 200 + 36 = 236
- 59 * 5 = (50 + 9) * 5 = 250 + 45 = 295, so 59 * 50 = 2950
- Sum: 236 + 2950 = 3186
Answer: 3186


Question: What is 25 * 45?
Let's think step by step.
- 45 = 40 + 5
- 25 * 5 = (20 + 5) * 5 = 100 + 25 = 125
- 25 * 4 = (20 + 5) * 4 = 80 + 20 = 100, so 25 * 40 = 1000
- Sum: 125 + 1000 = 1125
Answer: 1125


Question: What is 864 * 65?
Let's think step by step.
- 65 = 60 + 5
- 864 * 5 = (800 + 60 + 4) * 5 = 4000 + 300 + 20 = 4320
- 864 * 6 = (800 + 60 + 4) * 6 = 4800 + 360 + 24 = 5184, so 864 * 60 = 51840
- Sum: 4320 + 51840 = 56160
Answer: 56160


Question: What is 693 * 103?
Let's think step by step.
- 103 = 100 + 3
- 693 * 3 = (600 + 90 + 3) * 3 = 1800 + 270 + 9 = 2079
- 693 * 1 = (600 + 90 + 3) * 1 = 600 + 90 + 3 = 693, so 693 * 100 = 69300
- Sum: 2079 + 69300 = 71379
Answer: 71379


Question: What is 830 - 13?
Let's think step by step.
- 1st digit from right: 0 < 3, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 3 = 7, write 7.
-   2 - 1 = 1, write 1.
-   8 - 0 = 8, write 8.
Answer: 817


Question: What is 146 + 459?
Let's think step by step.
- Add ones: 6 + 9 = 15
- Add tens: 40 + 50 = 90
- Add hundreds: 100 + 400 = 500
- Sum: 15 + 90 = 105
- Sum: 105 + 500 = 605
Answer: 605


Question: What is 76 * 46?
Let's think step by step.
- 46 = 40 + 6
- 76 * 6 = (70 + 6) * 6 = 420 + 36 = 456
- 76 * 4 = (70 + 6) * 4 = 280 + 24 = 304, so 76 * 40 = 3040
- Sum: 456 + 3040 = 3496
Answer: 3496


Question: What is 990 * 205?
Let's think step by step.
- 205 = 200 + 5
- 990 * 5 = (900 + 90) * 5 = 4500 + 450 = 4950
- 990 * 2 = (900 + 90) * 2 = 1800 + 180 = 1980, so 990 * 200 = 198000
- Sum: 4950 + 198000 = 202950
Answer: 202950


Question: What is 945 * 2?
Let's think step by step.
- 945 * 2 = (900 + 40 + 5) * 2 = 1800 + 80 + 10 = 1890
Answer: 1890


Question: What is 39 - 25?
Let's think step by step.
-   9 - 5 = 4, write 4.
-   3 - 2 = 1, write 1.
Answer: 14


Question: What is 884 + 574?
Let's think step by step.
- Add ones: 4 + 4 = 8
- Add tens: 80 + 70 = 150
- Add hundreds: 800 + 500 = 1300
- Sum: 8 + 150 = 158
- Sum: 158 + 1300 = 1458
Answer: 1458


Question: What is 9020 - 3445?
Let's think step by step.
- 1st digit from right: 0 < 5, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 5 = 5, write 5.
- 2nd digit from right: 1 < 4, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 4 = 7, write 7.
- 3rd digit from right: reduced to -1 by the previous borrow; -1 < 4, so borrow again: -1 + 10 = 9.
-   9 - 4 = 5, write 5.
-   8 - 3 = 5, write 5.
Answer: 5575


Question: What is 48 - 33?
Let's think step by step.
-   8 - 3 = 5, write 5.
-   4 - 3 = 1, write 1.
Answer: 15


Question: What is 82 * 60?
Let's think step by step.
- 60 = 60
- 82 * 6 = (80 + 2) * 6 = 480 + 12 = 492, so 82 * 60 = 4920
Answer: 4920


Question: What is 826 * 46?
Let's think step by step.
- 46 = 40 + 6
- 826 * 6 = (800 + 20 + 6) * 6 = 4800 + 120 + 36 = 4956
- 826 * 4 = (800 + 20 + 6) * 4 = 3200 + 80 + 24 = 3304, so 826 * 40 = 33040
- Sum: 4956 + 33040 = 37996
Answer: 37996


Question: What is 39 + 20?
Let's think step by step.
- Add ones: 9 + 0 = 9
- Add tens: 30 + 20 = 50
- Sum: 9 + 50 = 59
Answer: 59


Question: What is 532 * 98?
Let's think step by step.
- 98 = 90 + 8
- 532 * 8 = (500 + 30 + 2) * 8 = 4000 + 240 + 16 = 4256
- 532 * 9 = (500 + 30 + 2) * 9 = 4500 + 270 + 18 = 4788, so 532 * 90 = 47880
- Sum: 4256 + 47880 = 52136
Answer: 52136


Question: What is 737 - 464?
Let's think step by step.
-   7 - 4 = 3, write 3.
- 2nd digit from right: 3 < 6, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 6 = 7, write 7.
-   6 - 4 = 2, write 2.
Answer: 273


Question: What is 2234 - 1974?
Let's think step by step.
-   4 - 4 = 0, write 0.
- 2nd digit from right: 3 < 7, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 7 = 6, write 6.
- 3rd digit from right: 1 < 9, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 9 = 2, write 2.
-   1 - 1 = 0, write 0.
Answer: 260


Question: What is 762 * 827?
Let's think step by step.
- 827 = 800 + 20 + 7
- 762 * 7 = (700 + 60 + 2) * 7 = 4900 + 420 + 14 = 5334
- 762 * 2 = (700 + 60 + 2) * 2 = 1400 + 120 + 4 = 1524, so 762 * 20 = 15240
- 762 * 8 = (700 + 60 + 2) * 8 = 5600 + 480 + 16 = 6096, so 762 * 800 = 609600
- Sum: 5334 + 15240 = 20574
- Sum: 20574 + 609600 = 630174
Answer: 630174


Question: What is 34 * 30?
Let's think step by step.
- 30 = 30
- 34 * 3 = (30 + 4) * 3 = 90 + 12 = 102, so 34 * 30 = 1020
Answer: 1020


Question: What is 45 * 13?
Let's think step by step.
- 13 = 10 + 3
- 45 * 3 = (40 + 5) * 3 = 120 + 15 = 135
- 45 * 1 = (40 + 5) * 1 = 40 + 5 = 45, so 45 * 10 = 450
- Sum: 135 + 450 = 585
Answer: 585


Question: What is 5021 - 2630?
Let's think step by step.
-   1 - 0 = 1, write 1.
- 2nd digit from right: 2 < 3, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 3 = 9, write 9.
- 3rd digit from right: reduced to -1 by the previous borrow; -1 < 6, so borrow again: -1 + 10 = 9.
-   9 - 6 = 3, write 3.
-   4 - 2 = 2, write 2.
Answer: 2391


Question: What is 979 - 831?
Let's think step by step.
-   9 - 1 = 8, write 8.
-   7 - 3 = 4, write 4.
-   9 - 8 = 1, write 1.
Answer: 148


Question: What is 99 - 20?
Let's think step by step.
-   9 - 0 = 9, write 9.
-   9 - 2 = 7, write 7.
Answer: 79


Question: What is 566 * 43?
Let's think step by step.
- 43 = 40 + 3
- 566 * 3 = (500 + 60 + 6) * 3 = 1500 + 180 + 18 = 1698
- 566 * 4 = (500 + 60 + 6) * 4 = 2000 + 240 + 24 = 2264, so 566 * 40 = 22640
- Sum: 1698 + 22640 = 24338
Answer: 24338


Question: What is 25 + 68?
Let's think step by step.
- Add ones: 5 + 8 = 13
- Add tens: 20 + 60 = 80
- Sum: 13 + 80 = 93
Answer: 93


Question: What is 208 - 139?
Let's think step by step.
- 1st digit from right: 8 < 9, borrow 1 from the next digit: 8 + 10 = 18.
-   18 - 9 = 9, write 9.
- 2nd digit from right: reduced to -1 by the previous borrow; -1 < 3, so borrow again: -1 + 10 = 9.
-   9 - 3 = 6, write 6.
-   1 - 1 = 0, write 0.
Answer: 69


Question: What is 18 + 23?
Let's think step by step.
- Add ones: 8 + 3 = 11
- Add tens: 10 + 20 = 30
- Sum: 11 + 30 = 41
Answer: 41


Question: What is 960 + 641?
Let's think step by step.
- Add ones: 0 + 1 = 1
- Add tens: 60 + 40 = 100
- Add hundreds: 900 + 600 = 1500
- Sum: 1 + 100 = 101
- Sum: 101 + 1500 = 1601
Answer: 1601


Question: What is 406 * 8?
Let's think step by step.
- 406 * 8 = (400 + 6) * 8 = 3200 + 48 = 3248
Answer: 3248


Question: What is 59 * 48?
Let's think step by step.
- 48 = 40 + 8
- 59 * 8 = (50 + 9) * 8 = 400 + 72 = 472
- 59 * 4 = (50 + 9) * 4 = 200 + 36 = 236, so 59 * 40 = 2360
- Sum: 472 + 2360 = 2832
Answer: 2832


Question: What is 528 * 329?
Let's think step by step.
- 329 = 300 + 20 + 9
- 528 * 9 = (500 + 20 + 8) * 9 = 4500 + 180 + 72 = 4752
- 528 * 2 = (500 + 20 + 8) * 2 = 1000 + 40 + 16 = 1056, so 528 * 20 = 10560
- 528 * 3 = (500 + 20 + 8) * 3 = 1500 + 60 + 24 = 1584, so 528 * 300 = 158400
- Sum: 4752 + 10560 = 15312
- Sum: 15312 + 158400 = 173712
Answer: 173712


Question: What is 42 - 30?
Let's think step by step.
-   2 - 0 = 2, write 2.
-   4 - 3 = 1, write 1.
Answer: 12


Question: What is 773 * 6?
Let's think step by step.
- 773 * 6 = (700 + 70 + 3) * 6 = 4200 + 420 + 18 = 4638
Answer: 4638


Question: What is 167 * 36?
Let's think step by step.
- 36 = 30 + 6
- 167 * 6 = (100 + 60 + 7) * 6 = 600 + 360 + 42 = 1002
- 167 * 3 = (100 + 60 + 7) * 3 = 300 + 180 + 21 = 501, so 167 * 30 = 5010
- Sum: 1002 + 5010 = 6012
Answer: 6012


Question: What is 748 * 7?
Let's think step by step.
- 748 * 7 = (700 + 40 + 8) * 7 = 4900 + 280 + 56 = 5236
Answer: 5236


Question: What is 85 * 76?
Let's think step by step.
- 76 = 70 + 6
- 85 * 6 = (80 + 5) * 6 = 480 + 30 = 510
- 85 * 7 = (80 + 5) * 7 = 560 + 35 = 595, so 85 * 70 = 5950
- Sum: 510 + 5950 = 6460
Answer: 6460


Question: What is 935 + 789?
Let's think step by step.
- Add ones: 5 + 9 = 14
- Add tens: 30 + 80 = 110
- Add hundreds: 900 + 700 = 1600
- Sum: 14 + 110 = 124
- Sum: 124 + 1600 = 1724
Answer: 1724


Question: What is 75 - 54?
Let's think step by step.
-   5 - 4 = 1, write 1.
-   7 - 5 = 2, write 2.
Answer: 21


Question: What is 74 * 74?
Let's think step by step.
- 74 = 70 + 4
- 74 * 4 = (70 + 4) * 4 = 280 + 16 = 296
- 74 * 7 = (70 + 4) * 7 = 490 + 28 = 518, so 74 * 70 = 5180
- Sum: 296 + 5180 = 5476
Answer: 5476


Question: What is 414 * 2?
Let's think step by step.
- 414 * 2 = (400 + 10 + 4) * 2 = 800 + 20 + 8 = 828
Answer: 828


Question: What is 25 * 13?
Let's think step by step.
- 13 = 10 + 3
- 25 * 3 = (20 + 5) * 3 = 60 + 15 = 75
- 25 * 1 = (20 + 5) * 1 = 20 + 5 = 25, so 25 * 10 = 250
- Sum: 75 + 250 = 325
Answer: 325


Question: What is 83 + 15?
Let's think step by step.
- Add ones: 3 + 5 = 8
- Add tens: 80 + 10 = 90
- Sum: 8 + 90 = 98
Answer: 98


Question: What is 55 * 81?
Let's think step by step.
- 81 = 80 + 1
- 55 * 1 = (50 + 5) * 1 = 50 + 5 = 55
- 55 * 8 = (50 + 5) * 8 = 400 + 40 = 440, so 55 * 80 = 4400
- Sum: 55 + 4400 = 4455
Answer: 4455


Question: What is 86 - 73?
Let's think step by step.
-   6 - 3 = 3, write 3.
-   8 - 7 = 1, write 1.
Answer: 13


Question: What is 672 + 378?
Let's think step by step.
- Add ones: 2 + 8 = 10
- Add tens: 70 + 70 = 140
- Add hundreds: 600 + 300 = 900
- Sum: 10 + 140 = 150
- Sum: 150 + 900 = 1050
Answer: 1050


Question: What is 334 * 6?
Let's think step by step.
- 334 * 6 = (300 + 30 + 4) * 6 = 1800 + 180 + 24 = 2004
Answer: 2004


Question: What is 755 * 108?
Let's think step by step.
- 108 = 100 + 8
- 755 * 8 = (700 + 50 + 5) * 8 = 5600 + 400 + 40 = 6040
- 755 * 1 = (700 + 50 + 5) * 1 = 700 + 50 + 5 = 755, so 755 * 100 = 75500
- Sum: 6040 + 75500 = 81540
Answer: 81540


Question: What is 981 - 564?
Let's think step by step.
- 1st digit from right: 1 < 4, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 4 = 7, write 7.
-   7 - 6 = 1, write 1.
-   9 - 5 = 4, write 4.
Answer: 417


Question: What is 678 + 390?
Let's think step by step.
- Add ones: 8 + 0 = 8
- Add tens: 70 + 90 = 160
- Add hundreds: 600 + 300 = 900
- Sum: 8 + 160 = 168
- Sum: 168 + 900 = 1068
Answer: 1068


Question: What is 393 + 661?
Let's think step by step.
- Add ones: 3 + 1 = 4
- Add tens: 90 + 60 = 150
- Add hundreds: 300 + 600 = 900
- Sum: 4 + 150 = 154
- Sum: 154 + 900 = 1054
Answer: 1054


Question: What is 470 * 701?
Let's think step by step.
- 701 = 700 + 1
- 470 * 1 = (400 + 70) * 1 = 400 + 70 = 470
- 470 * 7 = (400 + 70) * 7 = 2800 + 490 = 3290, so 470 * 700 = 329000
- Sum: 470 + 329000 = 329470
Answer: 329470


Question: What is 65 + 13?
Let's think step by step.
- Add ones: 5 + 3 = 8
- Add tens: 60 + 10 = 70
- Sum: 8 + 70 = 78
Answer: 78


Question: What is 695 * 98?
Let's think step by step.
- 98 = 90 + 8
- 695 * 8 = (600 + 90 + 5) * 8 = 4800 + 720 + 40 = 5560
- 695 * 9 = (600 + 90 + 5) * 9 = 5400 + 810 + 45 = 6255, so 695 * 90 = 62550
- Sum: 5560 + 62550 = 68110
Answer: 68110


Question: What is 235 * 7?
Let's think step by step.
- 235 * 7 = (200 + 30 + 5) * 7 = 1400 + 210 + 35 = 1645
Answer: 1645


Question: What is 593 * 628?
Let's think step by step.
- 628 = 600 + 20 + 8
- 593 * 8 = (500 + 90 + 3) * 8 = 4000 + 720 + 24 = 4744
- 593 * 2 = (500 + 90 + 3) * 2 = 1000 + 180 + 6 = 1186, so 593 * 20 = 11860
- 593 * 6 = (500 + 90 + 3) * 6 = 3000 + 540 + 18 = 3558, so 593 * 600 = 355800
- Sum: 4744 + 11860 = 16604
- Sum: 16604 + 355800 = 372404
Answer: 372404


Question: What is 545 + 821?
Let's think step by step.
- Add ones: 5 + 1 = 6
- Add tens: 40 + 20 = 60
- Add hundreds: 500 + 800 = 1300
- Sum: 6 + 60 = 66
- Sum: 66 + 1300 = 1366
Answer: 1366


Question: What is 880 * 39?
Let's think step by step.
- 39 = 30 + 9
- 880 * 9 = (800 + 80) * 9 = 7200 + 720 = 7920
- 880 * 3 = (800 + 80) * 3 = 2400 + 240 = 2640, so 880 * 30 = 26400
- Sum: 7920 + 26400 = 34320
Answer: 34320


Question: What is 96 * 31?
Let's think step by step.
- 31 = 30 + 1
- 96 * 1 = (90 + 6) * 1 = 90 + 6 = 96
- 96 * 3 = (90 + 6) * 3 = 270 + 18 = 288, so 96 * 30 = 2880
- Sum: 96 + 2880 = 2976
Answer: 2976


Question: What is 499 * 4?
Let's think step by step.
- 499 * 4 = (400 + 90 + 9) * 4 = 1600 + 360 + 36 = 1996
Answer: 1996


Question: What is 703 - 637?
Let's think step by step.
- 1st digit from right: 3 < 7, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 7 = 6, write 6.
- 2nd digit from right: reduced to -1 by the previous borrow; -1 < 3, so borrow again: -1 + 10 = 9.
-   9 - 3 = 6, write 6.
-   6 - 6 = 0, write 0.
Answer: 66


Question: What is 122 * 4?
Let's think step by step.
- 122 * 4 = (100 + 20 + 2) * 4 = 400 + 80 + 8 = 488
Answer: 488


Question: What is 864 - 225?
Let's think step by step.
- 1st digit from right: 4 < 5, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 5 = 9, write 9.
-   5 - 2 = 3, write 3.
-   8 - 2 = 6, write 6.
Answer: 639


Question: What is 17 * 59?
Let's think step by step.
- 59 = 50 + 9
- 17 * 9 = (10 + 7) * 9 = 90 + 63 = 153
- 17 * 5 = (10 + 7) * 5 = 50 + 35 = 85, so 17 * 50 = 850
- Sum: 153 + 850 = 1003
Answer: 1003


Question: What is 33 * 96?
Let's think step by step.
- 96 = 90 + 6
- 33 * 6 = (30 + 3) * 6 = 180 + 18 = 198
- 33 * 9 = (30 + 3) * 9 = 270 + 27 = 297, so 33 * 90 = 2970
- Sum: 198 + 2970 = 3168
Answer: 3168


Question: What is 88 - 60?
Let's think step by step.
-   8 - 0 = 8, write 8.
-   8 - 6 = 2, write 2.
Answer: 28


Question: What is 926 + 414?
Let's think step by step.
- Add ones: 6 + 4 = 10
- Add tens: 20 + 10 = 30
- Add hundreds: 900 + 400 = 1300
- Sum: 10 + 30 = 40
- Sum: 40 + 1300 = 1340
Answer: 1340


Question: What is 597 + 411?
Let's think step by step.
- Add ones: 7 + 1 = 8
- Add tens: 90 + 10 = 100
- Add hundreds: 500 + 400 = 900
- Sum: 8 + 100 = 108
- Sum: 108 + 900 = 1008
Answer: 1008


Question: What is 292 * 749?
Let's think step by step.
- 749 = 700 + 40 + 9
- 292 * 9 = (200 + 90 + 2) * 9 = 1800 + 810 + 18 = 2628
- 292 * 4 = (200 + 90 + 2) * 4 = 800 + 360 + 8 = 1168, so 292 * 40 = 11680
- 292 * 7 = (200 + 90 + 2) * 7 = 1400 + 630 + 14 = 2044, so 292 * 700 = 204400
- Sum: 2628 + 11680 = 14308
- Sum: 14308 + 204400 = 218708
Answer: 218708


Question: What is 103 * 31?
Let's think step by step.
- 31 = 30 + 1
- 103 * 1 = (100 + 3) * 1 = 100 + 3 = 103
- 103 * 3 = (100 + 3) * 3 = 300 + 9 = 309, so 103 * 30 = 3090
- Sum: 103 + 3090 = 3193
Answer: 3193


Question: What is 484 * 177?
Let's think step by step.
- 177 = 100 + 70 + 7
- 484 * 7 = (400 + 80 + 4) * 7 = 2800 + 560 + 28 = 3388
- 484 * 7 = (400 + 80 + 4) * 7 = 2800 + 560 + 28 = 3388, so 484 * 70 = 33880
- 484 * 1 = (400 + 80 + 4) * 1 = 400 + 80 + 4 = 484, so 484 * 100 = 48400
- Sum: 3388 + 33880 = 37268
- Sum: 37268 + 48400 = 85668
Answer: 85668


Question: What is 672 + 873?
Let's think step by step.
- Add ones: 2 + 3 = 5
- Add tens: 70 + 70 = 140
- Add hundreds: 600 + 800 = 1400
- Sum: 5 + 140 = 145
- Sum: 145 + 1400 = 1545
Answer: 1545


Question: What is 72 * 99?
Let's think step by step.
- 99 = 90 + 9
- 72 * 9 = (70 + 2) * 9 = 630 + 18 = 648
- 72 * 9 = (70 + 2) * 9 = 630 + 18 = 648, so 72 * 90 = 6480
- Sum: 648 + 6480 = 7128
Answer: 7128


Question: What is 92 - 47?
Let's think step by step.
- 1st digit from right: 2 < 7, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 7 = 5, write 5.
-   8 - 4 = 4, write 4.
Answer: 45


Question: What is 45 + 57?
Let's think step by step.
- Add ones: 5 + 7 = 12
- Add tens: 40 + 50 = 90
- Sum: 12 + 90 = 102
Answer: 102


Question: What is 626 + 368?
Let's think step by step.
- Add ones: 6 + 8 = 14
- Add tens: 20 + 60 = 80
- Add hundreds: 600 + 300 = 900
- Sum: 14 + 80 = 94
- Sum: 94 + 900 = 994
Answer: 994


Question: What is 97 - 59?
Let's think step by step.
- 1st digit from right: 7 < 9, borrow 1 from the next digit: 7 + 10 = 17.
-   17 - 9 = 8, write 8.
-   8 - 5 = 3, write 3.
Answer: 38


Question: What is 916 - 260?
Let's think step by step.
-   6 - 0 = 6, write 6.
- 2nd digit from right: 1 < 6, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 6 = 5, write 5.
-   8 - 2 = 6, write 6.
Answer: 656


Question: What is 126 * 674?
Let's think step by step.
- 674 = 600 + 70 + 4
- 126 * 4 = (100 + 20 + 6) * 4 = 400 + 80 + 24 = 504
- 126 * 7 = (100 + 20 + 6) * 7 = 700 + 140 + 42 = 882, so 126 * 70 = 8820
- 126 * 6 = (100 + 20 + 6) * 6 = 600 + 120 + 36 = 756, so 126 * 600 = 75600
- Sum: 504 + 8820 = 9324
- Sum: 9324 + 75600 = 84924
Answer: 84924


Question: What is 452 + 326?
Let's think step by step.
- Add ones: 2 + 6 = 8
- Add tens: 50 + 20 = 70
- Add hundreds: 400 + 300 = 700
- Sum: 8 + 70 = 78
- Sum: 78 + 700 = 778
Answer: 778


Question: What is 20 * 99?
Let's think step by step.
- 99 = 90 + 9
- 20 * 9 = 180
- 20 * 9 = 180, so 20 * 90 = 1800
- Sum: 180 + 1800 = 1980
Answer: 1980


Question: What is 678 + 435?
Let's think step by step.
- Add ones: 8 + 5 = 13
- Add tens: 70 + 30 = 100
- Add hundreds: 600 + 400 = 1000
- Sum: 13 + 100 = 113
- Sum: 113 + 1000 = 1113
Answer: 1113


Question: What is 733 + 962?
Let's think step by step.
- Add ones: 3 + 2 = 5
- Add tens: 30 + 60 = 90
- Add hundreds: 700 + 900 = 1600
- Sum: 5 + 90 = 95
- Sum: 95 + 1600 = 1695
Answer: 1695


Question: What is 69 - 29?
Let's think step by step.
-   9 - 9 = 0, write 0.
-   6 - 2 = 4, write 4.
Answer: 40


Question: What is 243 * 755?
Let's think step by step.
- 755 = 700 + 50 + 5
- 243 * 5 = (200 + 40 + 3) * 5 = 1000 + 200 + 15 = 1215
- 243 * 5 = (200 + 40 + 3) * 5 = 1000 + 200 + 15 = 1215, so 243 * 50 = 12150
- 243 * 7 = (200 + 40 + 3) * 7 = 1400 + 280 + 21 = 1701, so 243 * 700 = 170100
- Sum: 1215 + 12150 = 13365
- Sum: 13365 + 170100 = 183465
Answer: 183465


Question: What is 804 - 646?
Let's think step by step.
- 1st digit from right: 4 < 6, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 6 = 8, write 8.
- 2nd digit from right: reduced to -1 by the previous borrow; -1 < 4, so borrow again: -1 + 10 = 9.
-   9 - 4 = 5, write 5.
-   7 - 6 = 1, write 1.
Answer: 158


Question: What is 970 * 631?
Let's think step by step.
- 631 = 600 + 30 + 1
- 970 * 1 = (900 + 70) * 1 = 900 + 70 = 970
- 970 * 3 = (900 + 70) * 3 = 2700 + 210 = 2910, so 970 * 30 = 29100
- 970 * 6 = (900 + 70) * 6 = 5400 + 420 = 5820, so 970 * 600 = 582000
- Sum: 970 + 29100 = 30070
- Sum: 30070 + 582000 = 612070
Answer: 612070


Question: What is 52 + 52?
Let's think step by step.
- Add ones: 2 + 2 = 4
- Add tens: 50 + 50 = 100
- Sum: 4 + 100 = 104
Answer: 104


Question: What is 96 + 55?
Let's think step by step.
- Add ones: 6 + 5 = 11
- Add tens: 90 + 50 = 140
- Sum: 11 + 140 = 151
Answer: 151


Question: What is 60 * 53?
Let's think step by step.
- 53 = 50 + 3
- 60 * 3 = 180
- 60 * 5 = 300, so 60 * 50 = 3000
- Sum: 180 + 3000 = 3180
Answer: 3180


Question: What is 221 - 108?
Let's think step by step.
- 1st digit from right: 1 < 8, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 8 = 3, write 3.
-   1 - 0 = 1, write 1.
-   2 - 1 = 1, write 1.
Answer: 113


Question: What is 24 * 47?
Let's think step by step.
- 47 = 40 + 7
- 24 * 7 = (20 + 4) * 7 = 140 + 28 = 168
- 24 * 4 = (20 + 4) * 4 = 80 + 16 = 96, so 24 * 40 = 960
- Sum: 168 + 960 = 1128
Answer: 1128


Question: What is 285 - 280?
Let's think step by step.
-   5 - 0 = 5, write 5.
-   8 - 8 = 0, write 0.
-   2 - 2 = 0, write 0.
Answer: 5


Question: What is 67 + 51?
Let's think step by step.
- Add ones: 7 + 1 = 8
- Add tens: 60 + 50 = 110
- Sum: 8 + 110 = 118
Answer: 118


Question: What is 58 * 51?
Let's think step by step.
- 51 = 50 + 1
- 58 * 1 = (50 + 8) * 1 = 50 + 8 = 58
- 58 * 5 = (50 + 8) * 5 = 250 + 40 = 290, so 58 * 50 = 2900
- Sum: 58 + 2900 = 2958
Answer: 2958


Question: What is 974 + 708?
Let's think step by step.
- Add ones: 4 + 8 = 12
- Add tens: 70 + 0 = 70
- Add hundreds: 900 + 700 = 1600
- Sum: 12 + 70 = 82
- Sum: 82 + 1600 = 1682
Answer: 1682


Question: What is 874 - 351?
Let's think step by step.
-   4 - 1 = 3, write 3.
-   7 - 5 = 2, write 2.
-   8 - 3 = 5, write 5.
Answer: 523


Question: What is 72 - 30?
Let's think step by step.
-   2 - 0 = 2, write 2.
-   7 - 3 = 4, write 4.
Answer: 42


Question: What is 22 + 97?
Let's think step by step.
- Add ones: 2 + 7 = 9
- Add tens: 20 + 90 = 110
- Sum: 9 + 110 = 119
Answer: 119


Question: What is 98 - 57?
Let's think step by step.
-   8 - 7 = 1, write 1.
-   9 - 5 = 4, write 4.
Answer: 41


Question: What is 31 + 92?
Let's think step by step.
- Add ones: 1 + 2 = 3
- Add tens: 30 + 90 = 120
- Sum: 3 + 120 = 123
Answer: 123


Question: What is 504 + 213?
Let's think step by step.
- Add ones: 4 + 3 = 7
- Add tens: 0 + 10 = 10
- Add hundreds: 500 + 200 = 700
- Sum: 7 + 10 = 17
- Sum: 17 + 700 = 717
Answer: 717


Question: What is 980 * 48?
Let's think step by step.
- 48 = 40 + 8
- 980 * 8 = (900 + 80) * 8 = 7200 + 640 = 7840
- 980 * 4 = (900 + 80) * 4 = 3600 + 320 = 3920, so 980 * 40 = 39200
- Sum: 7840 + 39200 = 47040
Answer: 47040


Question: What is 887 * 671?
Let's think step by step.
- 671 = 600 + 70 + 1
- 887 * 1 = (800 + 80 + 7) * 1 = 800 + 80 + 7 = 887
- 887 * 7 = (800 + 80 + 7) * 7 = 5600 + 560 + 49 = 6209, so 887 * 70 = 62090
- 887 * 6 = (800 + 80 + 7) * 6 = 4800 + 480 + 42 = 5322, so 887 * 600 = 532200
- Sum: 887 + 62090 = 62977
- Sum: 62977 + 532200 = 595177
Answer: 595177


Question: What is 602 - 358?
Let's think step by step.
- 1st digit from right: 2 < 8, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 8 = 4, write 4.
- 2nd digit from right: reduced to -1 by the previous borrow; -1 < 5, so borrow again: -1 + 10 = 9.
-   9 - 5 = 4, write 4.
-   5 - 3 = 2, write 2.
Answer: 244


Question: What is 48 + 41?
Let's think step by step.
- Add ones: 8 + 1 = 9
- Add tens: 40 + 40 = 80
- Sum: 9 + 80 = 89
Answer: 89


Question: What is 502 + 197?
Let's think step by step.
- Add ones: 2 + 7 = 9
- Add tens: 0 + 90 = 90
- Add hundreds: 500 + 100 = 600
- Sum: 9 + 90 = 99
- Sum: 99 + 600 = 699
Answer: 699


Question: What is 772 * 108?
Let's think step by step.
- 108 = 100 + 8
- 772 * 8 = (700 + 70 + 2) * 8 = 5600 + 560 + 16 = 6176
- 772 * 1 = (700 + 70 + 2) * 1 = 700 + 70 + 2 = 772, so 772 * 100 = 77200
- Sum: 6176 + 77200 = 83376
Answer: 83376


Question: What is 341 * 7?
Let's think step by step.
- 341 * 7 = (300 + 40 + 1) * 7 = 2100 + 280 + 7 = 2387
Answer: 2387


Question: What is 951 + 138?
Let's think step by step.
- Add ones: 1 + 8 = 9
- Add tens: 50 + 30 = 80
- Add hundreds: 900 + 100 = 1000
- Sum: 9 + 80 = 89
- Sum: 89 + 1000 = 1089
Answer: 1089


Question: What is 130 * 2?
Let's think step by step.
- 130 * 2 = (100 + 30) * 2 = 200 + 60 = 260
Answer: 260


Question: What is 733 + 763?
Let's think step by step.
- Add ones: 3 + 3 = 6
- Add tens: 30 + 60 = 90
- Add hundreds: 700 + 700 = 1400
- Sum: 6 + 90 = 96
- Sum: 96 + 1400 = 1496
Answer: 1496


Question: What is 292 + 353?
Let's think step by step.
- Add ones: 2 + 3 = 5
- Add tens: 90 + 50 = 140
- Add hundreds: 200 + 300 = 500
- Sum: 5 + 140 = 145
- Sum: 145 + 500 = 645
Answer: 645


Question: What is 79 * 58?
Let's think step by step.
- 58 = 50 + 8
- 79 * 8 = (70 + 9) * 8 = 560 + 72 = 632
- 79 * 5 = (70 + 9) * 5 = 350 + 45 = 395, so 79 * 50 = 3950
- Sum: 632 + 3950 = 4582
Answer: 4582


Question: What is 629 * 3?
Let's think step by step.
- 629 * 3 = (600 + 20 + 9) * 3 = 1800 + 60 + 27 = 1887
Answer: 1887


Question: What is 65 + 98?
Let's think step by step.
- Add ones: 5 + 8 = 13
- Add tens: 60 + 90 = 150
- Sum: 13 + 150 = 163
Answer: 163


Question: What is 898 - 625?
Let's think step by step.
-   8 - 5 = 3, write 3.
-   9 - 2 = 7, write 7.
-   8 - 6 = 2, write 2.
Answer: 273


Question: What is 9970 - 8964?
Let's think step by step.
- 1st digit from right: 0 < 4, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 4 = 6, write 6.
-   6 - 6 = 0, write 0.
-   9 - 9 = 0, write 0.
-   9 - 8 = 1, write 1.
Answer: 1006


Question: What is 31 + 56?
Let's think step by step.
- Add ones: 1 + 6 = 7
- Add tens: 30 + 50 = 80
- Sum: 7 + 80 = 87
Answer: 87


Question: What is 331 + 415?
Let's think step by step.
- Add ones: 1 + 5 = 6
- Add tens: 30 + 10 = 40
- Add hundreds: 300 + 400 = 700
- Sum: 6 + 40 = 46
- Sum: 46 + 700 = 746
Answer: 746


Question: What is 451 + 265?
Let's think step by step.
- Add ones: 1 + 5 = 6
- Add tens: 50 + 60 = 110
- Add hundreds: 400 + 200 = 600
- Sum: 6 + 110 = 116
- Sum: 116 + 600 = 716
Answer: 716


Question: What is 80 - 2?
Let's think step by step.
- 1st digit from right: 0 < 2, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 2 = 8, write 8.
-   7 - 0 = 7, write 7.
Answer: 78


Question: What is 48 - 19?
Let's think step by step.
- 1st digit from right: 8 < 9, borrow 1 from the next digit: 8 + 10 = 18.
-   18 - 9 = 9, write 9.
-   3 - 1 = 2, write 2.
Answer: 29


Question: What is 14 + 40?
Let's think step by step.
- Add ones: 4 + 0 = 4
- Add tens: 10 + 40 = 50
- Sum: 4 + 50 = 54
Answer: 54


Question: What is 88 + 42?
Let's think step by step.
- Add ones: 8 + 2 = 10
- Add tens: 80 + 40 = 120
- Sum: 10 + 120 = 130
Answer: 130


Question: What is 71 + 17?
Let's think step by step.
- Add ones: 1 + 7 = 8
- Add tens: 70 + 10 = 80
- Sum: 8 + 80 = 88
Answer: 88


Question: What is 436 + 495?
Let's think step by step.
- Add ones: 6 + 5 = 11
- Add tens: 30 + 90 = 120
- Add hundreds: 400 + 400 = 800
- Sum: 11 + 120 = 131
- Sum: 131 + 800 = 931
Answer: 931


Question: What is 709 * 44?
Let's think step by step.
- 44 = 40 + 4
- 709 * 4 = (700 + 9) * 4 = 2800 + 36 = 2836
- 709 * 4 = (700 + 9) * 4 = 2800 + 36 = 2836, so 709 * 40 = 28360
- Sum: 2836 + 28360 = 31196
Answer: 31196


Question: What is 512 - 145?
Let's think step by step.
- 1st digit from right: 2 < 5, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 5 = 7, write 7.
- 2nd digit from right: 0 < 4, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 4 = 6, write 6.
-   4 - 1 = 3, write 3.
Answer: 367


Question: What is 339 + 100?
Let's think step by step.
- Add ones: 9 + 0 = 9
- Add tens: 30 + 0 = 30
- Add hundreds: 300 + 100 = 400
- Sum: 9 + 30 = 39
- Sum: 39 + 400 = 439
Answer: 439


Question: What is 876 * 9?
Let's think step by step.
- 876 * 9 = (800 + 70 + 6) * 9 = 7200 + 630 + 54 = 7884
Answer: 7884


Question: What is 378 * 386?
Let's think step by step.
- 386 = 300 + 80 + 6
- 378 * 6 = (300 + 70 + 8) * 6 = 1800 + 420 + 48 = 2268
- 378 * 8 = (300 + 70 + 8) * 8 = 2400 + 560 + 64 = 3024, so 378 * 80 = 30240
- 378 * 3 = (300 + 70 + 8) * 3 = 900 + 210 + 24 = 1134, so 378 * 300 = 113400
- Sum: 2268 + 30240 = 32508
- Sum: 32508 + 113400 = 145908
Answer: 145908


Question: What is 95 - 95?
Let's think step by step.
-   5 - 5 = 0, write 0.
-   9 - 9 = 0, write 0.
Answer: 0


Question: What is 35 - 33?
Let's think step by step.
-   5 - 3 = 2, write 2.
-   3 - 3 = 0, write 0.
Answer: 2


Question: What is 13 * 14?
Let's think step by step.
- 14 = 10 + 4
- 13 * 4 = (10 + 3) * 4 = 40 + 12 = 52
- 13 * 1 = (10 + 3) * 1 = 10 + 3 = 13, so 13 * 10 = 130
- Sum: 52 + 130 = 182
Answer: 182


Question: What is 34 * 17?
Let's think step by step.
- 17 = 10 + 7
- 34 * 7 = (30 + 4) * 7 = 210 + 28 = 238
- 34 * 1 = (30 + 4) * 1 = 30 + 4 = 34, so 34 * 10 = 340
- Sum: 238 + 340 = 578
Answer: 578


Question: What is 89 - 48?
Let's think step by step.
-   9 - 8 = 1, write 1.
-   8 - 4 = 4, write 4.
Answer: 41


Question: What is 275 + 420?
Let's think step by step.
- Add ones: 5 + 0 = 5
- Add tens: 70 + 20 = 90
- Add hundreds: 200 + 400 = 600
- Sum: 5 + 90 = 95
- Sum: 95 + 600 = 695
Answer: 695


Question: What is 308 * 22?
Let's think step by step.
- 22 = 20 + 2
- 308 * 2 = (300 + 8) * 2 = 600 + 16 = 616
- 308 * 2 = (300 + 8) * 2 = 600 + 16 = 616, so 308 * 20 = 6160
- Sum: 616 + 6160 = 6776
Answer: 6776


Question: What is 37 + 54?
Let's think step by step.
- Add ones: 7 + 4 = 11
- Add tens: 30 + 50 = 80
- Sum: 11 + 80 = 91
Answer: 91


Question: What is 42 * 32?
Let's think step by step.
- 32 = 30 + 2
- 42 * 2 = (40 + 2) * 2 = 80 + 4 = 84
- 42 * 3 = (40 + 2) * 3 = 120 + 6 = 126, so 42 * 30 = 1260
- Sum: 84 + 1260 = 1344
Answer: 1344


Question: What is 36 * 44?
Let's think step by step.
- 44 = 40 + 4
- 36 * 4 = (30 + 6) * 4 = 120 + 24 = 144
- 36 * 4 = (30 + 6) * 4 = 120 + 24 = 144, so 36 * 40 = 1440
- Sum: 144 + 1440 = 1584
Answer: 1584


Question: What is 21 * 81?
Let's think step by step.
- 81 = 80 + 1
- 21 * 1 = (20 + 1) * 1 = 20 + 1 = 21
- 21 * 8 = (20 + 1) * 8 = 160 + 8 = 168, so 21 * 80 = 1680
- Sum: 21 + 1680 = 1701
Answer: 1701


Question: What is 326 * 261?
Let's think step by step.
- 261 = 200 + 60 + 1
- 326 * 1 = (300 + 20 + 6) * 1 = 300 + 20 + 6 = 326
- 326 * 6 = (300 + 20 + 6) * 6 = 1800 + 120 + 36 = 1956, so 326 * 60 = 19560
- 326 * 2 = (300 + 20 + 6) * 2 = 600 + 40 + 12 = 652, so 326 * 200 = 65200
- Sum: 326 + 19560 = 19886
- Sum: 19886 + 65200 = 85086
Answer: 85086


Question: What is 220 + 523?
Let's think step by step.
- Add ones: 0 + 3 = 3
- Add tens: 20 + 20 = 40
- Add hundreds: 200 + 500 = 700
- Sum: 3 + 40 = 43
- Sum: 43 + 700 = 743
Answer: 743


Question: What is 25 * 81?
Let's think step by step.
- 81 = 80 + 1
- 25 * 1 = (20 + 5) * 1 = 20 + 5 = 25
- 25 * 8 = (20 + 5) * 8 = 160 + 40 = 200, so 25 * 80 = 2000
- Sum: 25 + 2000 = 2025
Answer: 2025


Question: What is 63 * 52?
Let's think step by step.
- 52 = 50 + 2
- 63 * 2 = (60 + 3) * 2 = 120 + 6 = 126
- 63 * 5 = (60 + 3) * 5 = 300 + 15 = 315, so 63 * 50 = 3150
- Sum: 126 + 3150 = 3276
Answer: 3276


Question: What is 416 * 921?
Let's think step by step.
- 921 = 900 + 20 + 1
- 416 * 1 = (400 + 10 + 6) * 1 = 400 + 10 + 6 = 416
- 416 * 2 = (400 + 10 + 6) * 2 = 800 + 20 + 12 = 832, so 416 * 20 = 8320
- 416 * 9 = (400 + 10 + 6) * 9 = 3600 + 90 + 54 = 3744, so 416 * 900 = 374400
- Sum: 416 + 8320 = 8736
- Sum: 8736 + 374400 = 383136
Answer: 383136


Question: What is 638 * 57?
Let's think step by step.
- 57 = 50 + 7
- 638 * 7 = (600 + 30 + 8) * 7 = 4200 + 210 + 56 = 4466
- 638 * 5 = (600 + 30 + 8) * 5 = 3000 + 150 + 40 = 3190, so 638 * 50 = 31900
- Sum: 4466 + 31900 = 36366
Answer: 36366


Question: What is 96 - 16?
Let's think step by step.
-   6 - 6 = 0, write 0.
-   9 - 1 = 8, write 8.
Answer: 80


Question: What is 748 * 32?
Let's think step by step.
- 32 = 30 + 2
- 748 * 2 = (700 + 40 + 8) * 2 = 1400 + 80 + 16 = 1496
- 748 * 3 = (700 + 40 + 8) * 3 = 2100 + 120 + 24 = 2244, so 748 * 30 = 22440
- Sum: 1496 + 22440 = 23936
Answer: 23936


Question: What is 569 + 952?
Let's think step by step.
- Add ones: 9 + 2 = 11
- Add tens: 60 + 50 = 110
- Add hundreds: 500 + 900 = 1400
- Sum: 11 + 110 = 121
- Sum: 121 + 1400 = 1521
Answer: 1521


Question: What is 1486 - 1220?
Let's think step by step.
-   6 - 0 = 6, write 6.
-   8 - 2 = 6, write 6.
-   4 - 2 = 2, write 2.
-   1 - 1 = 0, write 0.
Answer: 266


Question: What is 37 * 20?
Let's think step by step.
- 20 = 20
- 37 * 2 = (30 + 7) * 2 = 60 + 14 = 74, so 37 * 20 = 740
Answer: 740


Question: What is 36 * 49?
Let's think step by step.
- 49 = 40 + 9
- 36 * 9 = (30 + 6) * 9 = 270 + 54 = 324
- 36 * 4 = (30 + 6) * 4 = 120 + 24 = 144, so 36 * 40 = 1440
- Sum: 324 + 1440 = 1764
Answer: 1764


Question: What is 97 * 91?
Let's think step by step.
- 91 = 90 + 1
- 97 * 1 = (90 + 7) * 1 = 90 + 7 = 97
- 97 * 9 = (90 + 7) * 9 = 810 + 63 = 873, so 97 * 90 = 8730
- Sum: 97 + 8730 = 8827
Answer: 8827


Question: What is 65 + 55?
Let's think step by step.
- Add ones: 5 + 5 = 10
- Add tens: 60 + 50 = 110
- Sum: 10 + 110 = 120
Answer: 120


Question: What is 36 - 21?
Let's think step by step.
-   6 - 1 = 5, write 5.
-   3 - 2 = 1, write 1.
Answer: 15


Question: What is 697 * 6?
Let's think step by step.
- 697 * 6 = (600 + 90 + 7) * 6 = 3600 + 540 + 42 = 4182
Answer: 4182


Question: What is 904 + 773?
Let's think step by step.
- Add ones: 4 + 3 = 7
- Add tens: 0 + 70 = 70
- Add hundreds: 900 + 700 = 1600
- Sum: 7 + 70 = 77
- Sum: 77 + 1600 = 1677
Answer: 1677


Question: What is 972 * 13?
Let's think step by step.
- 13 = 10 + 3
- 972 * 3 = (900 + 70 + 2) * 3 = 2700 + 210 + 6 = 2916
- 972 * 1 = (900 + 70 + 2) * 1 = 900 + 70 + 2 = 972, so 972 * 10 = 9720
- Sum: 2916 + 9720 = 12636
Answer: 12636


Question: What is 72 * 73?
Let's think step by step.
- 73 = 70 + 3
- 72 * 3 = (70 + 2) * 3 = 210 + 6 = 216
- 72 * 7 = (70 + 2) * 7 = 490 + 14 = 504, so 72 * 70 = 5040
- Sum: 216 + 5040 = 5256
Answer: 5256


Question: What is 11 + 12?
Let's think step by step.
- Add ones: 1 + 2 = 3
- Add tens: 10 + 10 = 20
- Sum: 3 + 20 = 23
Answer: 23


Question: What is 78 - 60?
Let's think step by step.
-   8 - 0 = 8, write 8.
-   7 - 6 = 1, write 1.
Answer: 18


Question: What is 309 * 32?
Let's think step by step.
- 32 = 30 + 2
- 309 * 2 = (300 + 9) * 2 = 600 + 18 = 618
- 309 * 3 = (300 + 9) * 3 = 900 + 27 = 927, so 309 * 30 = 9270
- Sum: 618 + 9270 = 9888
Answer: 9888


Question: What is 73 * 33?
Let's think step by step.
- 33 = 30 + 3
- 73 * 3 = (70 + 3) * 3 = 210 + 9 = 219
- 73 * 3 = (70 + 3) * 3 = 210 + 9 = 219, so 73 * 30 = 2190
- Sum: 219 + 2190 = 2409
Answer: 2409


Question: What is 263 * 386?
Let's think step by step.
- 386 = 300 + 80 + 6
- 263 * 6 = (200 + 60 + 3) * 6 = 1200 + 360 + 18 = 1578
- 263 * 8 = (200 + 60 + 3) * 8 = 1600 + 480 + 24 = 2104, so 263 * 80 = 21040
- 263 * 3 = (200 + 60 + 3) * 3 = 600 + 180 + 9 = 789, so 263 * 300 = 78900
- Sum: 1578 + 21040 = 22618
- Sum: 22618 + 78900 = 101518
Answer: 101518


Question: What is 99 * 73?
Let's think step by step.
- 73 = 70 + 3
- 99 * 3 = (90 + 9) * 3 = 270 + 27 = 297
- 99 * 7 = (90 + 9) * 7 = 630 + 63 = 693, so 99 * 70 = 6930
- Sum: 297 + 6930 = 7227
Answer: 7227


Question: What is 8222 - 5577?
Let's think step by step.
- 1st digit from right: 2 < 7, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 7 = 5, write 5.
- 2nd digit from right: 1 < 7, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 7 = 4, write 4.
- 3rd digit from right: 1 < 5, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 5 = 6, write 6.
-   7 - 5 = 2, write 2.
Answer: 2645


Question: What is 838 * 93?
Let's think step by step.
- 93 = 90 + 3
- 838 * 3 = (800 + 30 + 8) * 3 = 2400 + 90 + 24 = 2514
- 838 * 9 = (800 + 30 + 8) * 9 = 7200 + 270 + 72 = 7542, so 838 * 90 = 75420
- Sum: 2514 + 75420 = 77934
Answer: 77934


Question: What is 67 - 38?
Let's think step by step.
- 1st digit from right: 7 < 8, borrow 1 from the next digit: 7 + 10 = 17.
-   17 - 8 = 9, write 9.
-   5 - 3 = 2, write 2.
Answer: 29


Question: What is 546 * 8?
Let's think step by step.
- 546 * 8 = (500 + 40 + 6) * 8 = 4000 + 320 + 48 = 4368
Answer: 4368


Question: What is 238 * 632?
Let's think step by step.
- 632 = 600 + 30 + 2
- 238 * 2 = (200 + 30 + 8) * 2 = 400 + 60 + 16 = 476
- 238 * 3 = (200 + 30 + 8) * 3 = 600 + 90 + 24 = 714, so 238 * 30 = 7140
- 238 * 6 = (200 + 30 + 8) * 6 = 1200 + 180 + 48 = 1428, so 238 * 600 = 142800
- Sum: 476 + 7140 = 7616
- Sum: 7616 + 142800 = 150416
Answer: 150416


Question: What is 34 + 11?
Let's think step by step.
- Add ones: 4 + 1 = 5
- Add tens: 30 + 10 = 40
- Sum: 5 + 40 = 45
Answer: 45


Question: What is 92 - 28?
Let's think step by step.
- 1st digit from right: 2 < 8, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 8 = 4, write 4.
-   8 - 2 = 6, write 6.
Answer: 64


Question: What is 870 * 4?
Let's think step by step.
- 870 * 4 = (800 + 70) * 4 = 3200 + 280 = 3480
Answer: 3480


Question: What is 280 * 824?
Let's think step by step.
- 824 = 800 + 20 + 4
- 280 * 4 = (200 + 80) * 4 = 800 + 320 = 1120
- 280 * 2 = (200 + 80) * 2 = 400 + 160 = 560, so 280 * 20 = 5600
- 280 * 8 = (200 + 80) * 8 = 1600 + 640 = 2240, so 280 * 800 = 224000
- Sum: 1120 + 5600 = 6720
- Sum: 6720 + 224000 = 230720
Answer: 230720


Question: What is 20 * 94?
Let's think step by step.
- 94 = 90 + 4
- 20 * 4 = 80
- 20 * 9 = 180, so 20 * 90 = 1800
- Sum: 80 + 1800 = 1880
Answer: 1880


Question: What is 86 + 48?
Let's think step by step.
- Add ones: 6 + 8 = 14
- Add tens: 80 + 40 = 120
- Sum: 14 + 120 = 134
Answer: 134


Question: What is 45 - 41?
Let's think step by step.
-   5 - 1 = 4, write 4.
-   4 - 4 = 0, write 0.
Answer: 4


Question: What is 822 + 723?
Let's think step by step.
- Add ones: 2 + 3 = 5
- Add tens: 20 + 20 = 40
- Add hundreds: 800 + 700 = 1500
- Sum: 5 + 40 = 45
- Sum: 45 + 1500 = 1545
Answer: 1545


Question: What is 83 + 17?
Let's think step by step.
- Add ones: 3 + 7 = 10
- Add tens: 80 + 10 = 90
- Sum: 10 + 90 = 100
Answer: 100


Question: What is 49 * 72?
Let's think step by step.
- 72 = 70 + 2
- 49 * 2 = (40 + 9) * 2 = 80 + 18 = 98
- 49 * 7 = (40 + 9) * 7 = 280 + 63 = 343, so 49 * 70 = 3430
- Sum: 98 + 3430 = 3528
Answer: 3528


Question: What is 65 - 22?
Let's think step by step.
-   5 - 2 = 3, write 3.
-   6 - 2 = 4, write 4.
Answer: 43


Question: What is 81 - 38?
Let's think step by step.
- 1st digit from right: 1 < 8, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 8 = 3, write 3.
-   7 - 3 = 4, write 4.
Answer: 43


Question: What is 90 - 70?
Let's think step by step.
-   0 - 0 = 0, write 0.
-   9 - 7 = 2, write 2.
Answer: 20


Question: What is 9004 - 3036?
Let's think step by step.
- 1st digit from right: 4 < 6, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 6 = 8, write 8.
- 2nd digit from right: reduced to -1 by the previous borrow; -1 < 3, so borrow again: -1 + 10 = 9.
-   9 - 3 = 6, write 6.
- 3rd digit from right: reduced to -1 by the previous borrow; -1 < 0, so borrow again: -1 + 10 = 9.
-   9 - 0 = 9, write 9.
-   8 - 3 = 5, write 5.
Answer: 5968


Question: What is 337 * 92?
Let's think step by step.
- 92 = 90 + 2
- 337 * 2 = (300 + 30 + 7) * 2 = 600 + 60 + 14 = 674
- 337 * 9 = (300 + 30 + 7) * 9 = 2700 + 270 + 63 = 3033, so 337 * 90 = 30330
- Sum: 674 + 30330 = 31004
Answer: 31004


Question: What is 22 * 58?
Let's think step by step.
- 58 = 50 + 8
- 22 * 8 = (20 + 2) * 8 = 160 + 16 = 176
- 22 * 5 = (20 + 2) * 5 = 100 + 10 = 110, so 22 * 50 = 1100
- Sum: 176 + 1100 = 1276
Answer: 1276


Question: What is 372 - 234?
Let's think step by step.
- 1st digit from right: 2 < 4, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 4 = 8, write 8.
-   6 - 3 = 3, write 3.
-   3 - 2 = 1, write 1.
Answer: 138


Question: What is 18 + 64?
Let's think step by step.
- Add ones: 8 + 4 = 12
- Add tens: 10 + 60 = 70
- Sum: 12 + 70 = 82
Answer: 82


Question: What is 9178 - 4541?
Let's think step by step.
-   8 - 1 = 7, write 7.
-   7 - 4 = 3, write 3.
- 3rd digit from right: 1 < 5, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 5 = 6, write 6.
-   8 - 4 = 4, write 4.
Answer: 4637


Question: What is 44 + 21?
Let's think step by step.
- Add ones: 4 + 1 = 5
- Add tens: 40 + 20 = 60
- Sum: 5 + 60 = 65
Answer: 65


Question: What is 799 * 766?
Let's think step by step.
- 766 = 700 + 60 + 6
- 799 * 6 = (700 + 90 + 9) * 6 = 4200 + 540 + 54 = 4794
- 799 * 6 = (700 + 90 + 9) * 6 = 4200 + 540 + 54 = 4794, so 799 * 60 = 47940
- 799 * 7 = (700 + 90 + 9) * 7 = 4900 + 630 + 63 = 5593, so 799 * 700 = 559300
- Sum: 4794 + 47940 = 52734
- Sum: 52734 + 559300 = 612034
Answer: 612034


Question: What is 74 + 35?
Let's think step by step.
- Add ones: 4 + 5 = 9
- Add tens: 70 + 30 = 100
- Sum: 9 + 100 = 109
Answer: 109


Question: What is 994 * 23?
Let's think step by step.
- 23 = 20 + 3
- 994 * 3 = (900 + 90 + 4) * 3 = 2700 + 270 + 12 = 2982
- 994 * 2 = (900 + 90 + 4) * 2 = 1800 + 180 + 8 = 1988, so 994 * 20 = 19880
- Sum: 2982 + 19880 = 22862
Answer: 22862


Question: What is 96 * 22?
Let's think step by step.
- 22 = 20 + 2
- 96 * 2 = (90 + 6) * 2 = 180 + 12 = 192
- 96 * 2 = (90 + 6) * 2 = 180 + 12 = 192, so 96 * 20 = 1920
- Sum: 192 + 1920 = 2112
Answer: 2112


Question: What is 36 - 6?
Let's think step by step.
-   6 - 6 = 0, write 0.
-   3 - 0 = 3, write 3.
Answer: 30


Question: What is 57 + 14?
Let's think step by step.
- Add ones: 7 + 4 = 11
- Add tens: 50 + 10 = 60
- Sum: 11 + 60 = 71
Answer: 71


Question: What is 75 + 71?
Let's think step by step.
- Add ones: 5 + 1 = 6
- Add tens: 70 + 70 = 140
- Sum: 6 + 140 = 146
Answer: 146


Question: What is 894 + 417?
Let's think step by step.
- Add ones: 4 + 7 = 11
- Add tens: 90 + 10 = 100
- Add hundreds: 800 + 400 = 1200
- Sum: 11 + 100 = 111
- Sum: 111 + 1200 = 1311
Answer: 1311


Question: What is 99 - 63?
Let's think step by step.
-   9 - 3 = 6, write 6.
-   9 - 6 = 3, write 3.
Answer: 36


Question: What is 76 + 36?
Let's think step by step.
- Add ones: 6 + 6 = 12
- Add tens: 70 + 30 = 100
- Sum: 12 + 100 = 112
Answer: 112


Question: What is 479 + 933?
Let's think step by step.
- Add ones: 9 + 3 = 12
- Add tens: 70 + 30 = 100
- Add hundreds: 400 + 900 = 1300
- Sum: 12 + 100 = 112
- Sum: 112 + 1300 = 1412
Answer: 1412


Question: What is 796 - 724?
Let's think step by step.
-   6 - 4 = 2, write 2.
-   9 - 2 = 7, write 7.
-   7 - 7 = 0, write 0.
Answer: 72


Question: What is 9109 - 4527?
Let's think step by step.
-   9 - 7 = 2, write 2.
- 2nd digit from right: 0 < 2, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 2 = 8, write 8.
- 3rd digit from right: 0 < 5, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 5 = 5, write 5.
-   8 - 4 = 4, write 4.
Answer: 4582


Question: What is 501 * 484?
Let's think step by step.
- 484 = 400 + 80 + 4
- 501 * 4 = (500 + 1) * 4 = 2000 + 4 = 2004
- 501 * 8 = (500 + 1) * 8 = 4000 + 8 = 4008, so 501 * 80 = 40080
- 501 * 4 = (500 + 1) * 4 = 2000 + 4 = 2004, so 501 * 400 = 200400
- Sum: 2004 + 40080 = 42084
- Sum: 42084 + 200400 = 242484
Answer: 242484


Question: What is 377 * 2?
Let's think step by step.
- 377 * 2 = (300 + 70 + 7) * 2 = 600 + 140 + 14 = 754
Answer: 754


Question: What is 857 + 117?
Let's think step by step.
- Add ones: 7 + 7 = 14
- Add tens: 50 + 10 = 60
- Add hundreds: 800 + 100 = 900
- Sum: 14 + 60 = 74
- Sum: 74 + 900 = 974
Answer: 974


Question: What is 29 + 67?
Let's think step by step.
- Add ones: 9 + 7 = 16
- Add tens: 20 + 60 = 80
- Sum: 16 + 80 = 96
Answer: 96


Question: What is 80 * 7?
Let's think step by step.
- 80 * 7 = 560
Answer: 560


Question: What is 889 - 757?
Let's think step by step.
-   9 - 7 = 2, write 2.
-   8 - 5 = 3, write 3.
-   8 - 7 = 1, write 1.
Answer: 132


Question: What is 167 + 631?
Let's think step by step.
- Add ones: 7 + 1 = 8
- Add tens: 60 + 30 = 90
- Add hundreds: 100 + 600 = 700
- Sum: 8 + 90 = 98
- Sum: 98 + 700 = 798
Answer: 798


Question: What is 517 * 731?
Let's think step by step.
- 731 = 700 + 30 + 1
- 517 * 1 = (500 + 10 + 7) * 1 = 500 + 10 + 7 = 517
- 517 * 3 = (500 + 10 + 7) * 3 = 1500 + 30 + 21 = 1551, so 517 * 30 = 15510
- 517 * 7 = (500 + 10 + 7) * 7 = 3500 + 70 + 49 = 3619, so 517 * 700 = 361900
- Sum: 517 + 15510 = 16027
- Sum: 16027 + 361900 = 377927
Answer: 377927


Question: What is 164 + 940?
Let's think step by step.
- Add ones: 4 + 0 = 4
- Add tens: 60 + 40 = 100
- Add hundreds: 100 + 900 = 1000
- Sum: 4 + 100 = 104
- Sum: 104 + 1000 = 1104
Answer: 1104


Question: What is 278 + 810?
Let's think step by step.
- Add ones: 8 + 0 = 8
- Add tens: 70 + 10 = 80
- Add hundreds: 200 + 800 = 1000
- Sum: 8 + 80 = 88
- Sum: 88 + 1000 = 1088
Answer: 1088


Question: What is 963 * 774?
Let's think step by step.
- 774 = 700 + 70 + 4
- 963 * 4 = (900 + 60 + 3) * 4 = 3600 + 240 + 12 = 3852
- 963 * 7 = (900 + 60 + 3) * 7 = 6300 + 420 + 21 = 6741, so 963 * 70 = 67410
- 963 * 7 = (900 + 60 + 3) * 7 = 6300 + 420 + 21 = 6741, so 963 * 700 = 674100
- Sum: 3852 + 67410 = 71262
- Sum: 71262 + 674100 = 745362
Answer: 745362


Question: What is 258 - 186?
Let's think step by step.
-   8 - 6 = 2, write 2.
- 2nd digit from right: 5 < 8, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 8 = 7, write 7.
-   1 - 1 = 0, write 0.
Answer: 72


Question: What is 127 + 728?
Let's think step by step.
- Add ones: 7 + 8 = 15
- Add tens: 20 + 20 = 40
- Add hundreds: 100 + 700 = 800
- Sum: 15 + 40 = 55
- Sum: 55 + 800 = 855
Answer: 855


Question: What is 43 * 72?
Let's think step by step.
- 72 = 70 + 2
- 43 * 2 = (40 + 3) * 2 = 80 + 6 = 86
- 43 * 7 = (40 + 3) * 7 = 280 + 21 = 301, so 43 * 70 = 3010
- Sum: 86 + 3010 = 3096
Answer: 3096


Question: What is 561 - 196?
Let's think step by step.
- 1st digit from right: 1 < 6, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 6 = 5, write 5.
- 2nd digit from right: 5 < 9, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 9 = 6, write 6.
-   4 - 1 = 3, write 3.
Answer: 365


Question: What is 633 - 539?
Let's think step by step.
- 1st digit from right: 3 < 9, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 9 = 4, write 4.
- 2nd digit from right: 2 < 3, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 3 = 9, write 9.
-   5 - 5 = 0, write 0.
Answer: 94


Question: What is 46 - 10?
Let's think step by step.
-   6 - 0 = 6, write 6.
-   4 - 1 = 3, write 3.
Answer: 36


Question: What is 99 + 12?
Let's think step by step.
- Add ones: 9 + 2 = 11
- Add tens: 90 + 10 = 100
- Sum: 11 + 100 = 111
Answer: 111


Question: What is 77 * 84?
Let's think step by step.
- 84 = 80 + 4
- 77 * 4 = (70 + 7) * 4 = 280 + 28 = 308
- 77 * 8 = (70 + 7) * 8 = 560 + 56 = 616, so 77 * 80 = 6160
- Sum: 308 + 6160 = 6468
Answer: 6468


Question: What is 25 + 65?
Let's think step by step.
- Add ones: 5 + 5 = 10
- Add tens: 20 + 60 = 80
- Sum: 10 + 80 = 90
Answer: 90


Question: What is 57 - 52?
Let's think step by step.
-   7 - 2 = 5, write 5.
-   5 - 5 = 0, write 0.
Answer: 5


Question: What is 27 + 74?
Let's think step by step.
- Add ones: 7 + 4 = 11
- Add tens: 20 + 70 = 90
- Sum: 11 + 90 = 101
Answer: 101


Question: What is 84 * 38?
Let's think step by step.
- 38 = 30 + 8
- 84 * 8 = (80 + 4) * 8 = 640 + 32 = 672
- 84 * 3 = (80 + 4) * 3 = 240 + 12 = 252, so 84 * 30 = 2520
- Sum: 672 + 2520 = 3192
Answer: 3192


Question: What is 555 * 4?
Let's think step by step.
- 555 * 4 = (500 + 50 + 5) * 4 = 2000 + 200 + 20 = 2220
Answer: 2220


Question: What is 773 + 118?
Let's think step by step.
- Add ones: 3 + 8 = 11
- Add tens: 70 + 10 = 80
- Add hundreds: 700 + 100 = 800
- Sum: 11 + 80 = 91
- Sum: 91 + 800 = 891
Answer: 891


Question: What is 89 + 72?
Let's think step by step.
- Add ones: 9 + 2 = 11
- Add tens: 80 + 70 = 150
- Sum: 11 + 150 = 161
Answer: 161


Question: What is 838 + 327?
Let's think step by step.
- Add ones: 8 + 7 = 15
- Add tens: 30 + 20 = 50
- Add hundreds: 800 + 300 = 1100
- Sum: 15 + 50 = 65
- Sum: 65 + 1100 = 1165
Answer: 1165


Question: What is 74 * 79?
Let's think step by step.
- 79 = 70 + 9
- 74 * 9 = (70 + 4) * 9 = 630 + 36 = 666
- 74 * 7 = (70 + 4) * 7 = 490 + 28 = 518, so 74 * 70 = 5180
- Sum: 666 + 5180 = 5846
Answer: 5846


Question: What is 99 + 64?
Let's think step by step.
- Add ones: 9 + 4 = 13
- Add tens: 90 + 60 = 150
- Sum: 13 + 150 = 163
Answer: 163


Question: What is 98 * 29?
Let's think step by step.
- 29 = 20 + 9
- 98 * 9 = (90 + 8) * 9 = 810 + 72 = 882
- 98 * 2 = (90 + 8) * 2 = 180 + 16 = 196, so 98 * 20 = 1960
- Sum: 882 + 1960 = 2842
Answer: 2842


Question: What is 8942 - 5291?
Let's think step by step.
-   2 - 1 = 1, write 1.
- 2nd digit from right: 4 < 9, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 9 = 5, write 5.
-   8 - 2 = 6, write 6.
-   8 - 5 = 3, write 3.
Answer: 3651


Question: What is 5362 - 3270?
Let's think step by step.
-   2 - 0 = 2, write 2.
- 2nd digit from right: 6 < 7, borrow 1 from the next digit: 6 + 10 = 16.
-   16 - 7 = 9, write 9.
-   2 - 2 = 0, write 0.
-   5 - 3 = 2, write 2.
Answer: 2092


Question: What is 30 - 23?
Let's think step by step.
- 1st digit from right: 0 < 3, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 3 = 7, write 7.
-   2 - 2 = 0, write 0.
Answer: 7


Question: What is 533 - 388?
Let's think step by step.
- 1st digit from right: 3 < 8, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 8 = 5, write 5.
- 2nd digit from right: 2 < 8, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 8 = 4, write 4.
-   4 - 3 = 1, write 1.
Answer: 145


Question: What is 412 * 4?
Let's think step by step.
- 412 * 4 = (400 + 10 + 2) * 4 = 1600 + 40 + 8 = 1648
Answer: 1648


Question: What is 723 - 552?
Let's think step by step.
-   3 - 2 = 1, write 1.
- 2nd digit from right: 2 < 5, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 5 = 7, write 7.
-   6 - 5 = 1, write 1.
Answer: 171


Question: What is 642 - 62?
Let's think step by step.
-   2 - 2 = 0, write 0.
- 2nd digit from right: 4 < 6, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 6 = 8, write 8.
-   5 - 0 = 5, write 5.
Answer: 580


Question: What is 9819 - 2380?
Let's think step by step.
-   9 - 0 = 9, write 9.
- 2nd digit from right: 1 < 8, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 8 = 3, write 3.
-   7 - 3 = 4, write 4.
-   9 - 2 = 7, write 7.
Answer: 7439


Question: What is 564 + 358?
Let's think step by step.
- Add ones: 4 + 8 = 12
- Add tens: 60 + 50 = 110
- Add hundreds: 500 + 300 = 800
- Sum: 12 + 110 = 122
- Sum: 122 + 800 = 922
Answer: 922


Question: What is 65 - 46?
Let's think step by step.
- 1st digit from right: 5 < 6, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 6 = 9, write 9.
-   5 - 4 = 1, write 1.
Answer: 19


Question: What is 371 + 633?
Let's think step by step.
- Add ones: 1 + 3 = 4
- Add tens: 70 + 30 = 100
- Add hundreds: 300 + 600 = 900
- Sum: 4 + 100 = 104
- Sum: 104 + 900 = 1004
Answer: 1004


Question: What is 859 * 8?
Let's think step by step.
- 859 * 8 = (800 + 50 + 9) * 8 = 6400 + 400 + 72 = 6872
Answer: 6872


Question: What is 665 * 17?
Let's think step by step.
- 17 = 10 + 7
- 665 * 7 = (600 + 60 + 5) * 7 = 4200 + 420 + 35 = 4655
- 665 * 1 = (600 + 60 + 5) * 1 = 600 + 60 + 5 = 665, so 665 * 10 = 6650
- Sum: 4655 + 6650 = 11305
Answer: 11305


Question: What is 796 - 604?
Let's think step by step.
-   6 - 4 = 2, write 2.
-   9 - 0 = 9, write 9.
-   7 - 6 = 1, write 1.
Answer: 192


Question: What is 39 + 72?
Let's think step by step.
- Add ones: 9 + 2 = 11
- Add tens: 30 + 70 = 100
- Sum: 11 + 100 = 111
Answer: 111


Question: What is 819 * 317?
Let's think step by step.
- 317 = 300 + 10 + 7
- 819 * 7 = (800 + 10 + 9) * 7 = 5600 + 70 + 63 = 5733
- 819 * 1 = (800 + 10 + 9) * 1 = 800 + 10 + 9 = 819, so 819 * 10 = 8190
- 819 * 3 = (800 + 10 + 9) * 3 = 2400 + 30 + 27 = 2457, so 819 * 300 = 245700
- Sum: 5733 + 8190 = 13923
- Sum: 13923 + 245700 = 259623
Answer: 259623


Question: What is 74 - 13?
Let's think step by step.
-   4 - 3 = 1, write 1.
-   7 - 1 = 6, write 6.
Answer: 61


Question: What is 691 * 15?
Let's think step by step.
- 15 = 10 + 5
- 691 * 5 = (600 + 90 + 1) * 5 = 3000 + 450 + 5 = 3455
- 691 * 1 = (600 + 90 + 1) * 1 = 600 + 90 + 1 = 691, so 691 * 10 = 6910
- Sum: 3455 + 6910 = 10365
Answer: 10365


Question: What is 189 * 9?
Let's think step by step.
- 189 * 9 = (100 + 80 + 9) * 9 = 900 + 720 + 81 = 1701
Answer: 1701


Question: What is 76 + 77?
Let's think step by step.
- Add ones: 6 + 7 = 13
- Add tens: 70 + 70 = 140
- Sum: 13 + 140 = 153
Answer: 153


Question: What is 53 - 2?
Let's think step by step.
-   3 - 2 = 1, write 1.
-   5 - 0 = 5, write 5.
Answer: 51


Question: What is 59 * 88?
Let's think step by step.
- 88 = 80 + 8
- 59 * 8 = (50 + 9) * 8 = 400 + 72 = 472
- 59 * 8 = (50 + 9) * 8 = 400 + 72 = 472, so 59 * 80 = 4720
- Sum: 472 + 4720 = 5192
Answer: 5192


Question: What is 577 * 2?
Let's think step by step.
- 577 * 2 = (500 + 70 + 7) * 2 = 1000 + 140 + 14 = 1154
Answer: 1154


Question: What is 131 + 546?
Let's think step by step.
- Add ones: 1 + 6 = 7
- Add tens: 30 + 40 = 70
- Add hundreds: 100 + 500 = 600
- Sum: 7 + 70 = 77
- Sum: 77 + 600 = 677
Answer: 677


Question: What is 326 * 51?
Let's think step by step.
- 51 = 50 + 1
- 326 * 1 = (300 + 20 + 6) * 1 = 300 + 20 + 6 = 326
- 326 * 5 = (300 + 20 + 6) * 5 = 1500 + 100 + 30 = 1630, so 326 * 50 = 16300
- Sum: 326 + 16300 = 16626
Answer: 16626


Question: What is 69 * 48?
Let's think step by step.
- 48 = 40 + 8
- 69 * 8 = (60 + 9) * 8 = 480 + 72 = 552
- 69 * 4 = (60 + 9) * 4 = 240 + 36 = 276, so 69 * 40 = 2760
- Sum: 552 + 2760 = 3312
Answer: 3312


Question: What is 770 * 584?
Let's think step by step.
- 584 = 500 + 80 + 4
- 770 * 4 = (700 + 70) * 4 = 2800 + 280 = 3080
- 770 * 8 = (700 + 70) * 8 = 5600 + 560 = 6160, so 770 * 80 = 61600
- 770 * 5 = (700 + 70) * 5 = 3500 + 350 = 3850, so 770 * 500 = 385000
- Sum: 3080 + 61600 = 64680
- Sum: 64680 + 385000 = 449680
Answer: 449680


Question: What is 170 + 542?
Let's think step by step.
- Add ones: 0 + 2 = 2
- Add tens: 70 + 40 = 110
- Add hundreds: 100 + 500 = 600
- Sum: 2 + 110 = 112
- Sum: 112 + 600 = 712
Answer: 712


Question: What is 592 + 581?
Let's think step by step.
- Add ones: 2 + 1 = 3
- Add tens: 90 + 80 = 170
- Add hundreds: 500 + 500 = 1000
- Sum: 3 + 170 = 173
- Sum: 173 + 1000 = 1173
Answer: 1173


Question: What is 67 * 39?
Let's think step by step.
- 39 = 30 + 9
- 67 * 9 = (60 + 7) * 9 = 540 + 63 = 603
- 67 * 3 = (60 + 7) * 3 = 180 + 21 = 201, so 67 * 30 = 2010
- Sum: 603 + 2010 = 2613
Answer: 2613


Question: What is 96 * 25?
Let's think step by step.
- 25 = 20 + 5
- 96 * 5 = (90 + 6) * 5 = 450 + 30 = 480
- 96 * 2 = (90 + 6) * 2 = 180 + 12 = 192, so 96 * 20 = 1920
- Sum: 480 + 1920 = 2400
Answer: 2400


Question: What is 343 - 262?
Let's think step by step.
-   3 - 2 = 1, write 1.
- 2nd digit from right: 4 < 6, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 6 = 8, write 8.
-   2 - 2 = 0, write 0.
Answer: 81


Question: What is 377 + 588?
Let's think step by step.
- Add ones: 7 + 8 = 15
- Add tens: 70 + 80 = 150
- Add hundreds: 300 + 500 = 800
- Sum: 15 + 150 = 165
- Sum: 165 + 800 = 965
Answer: 965


Question: What is 833 + 333?
Let's think step by step.
- Add ones: 3 + 3 = 6
- Add tens: 30 + 30 = 60
- Add hundreds: 800 + 300 = 1100
- Sum: 6 + 60 = 66
- Sum: 66 + 1100 = 1166
Answer: 1166


Question: What is 908 + 522?
Let's think step by step.
- Add ones: 8 + 2 = 10
- Add tens: 0 + 20 = 20
- Add hundreds: 900 + 500 = 1400
- Sum: 10 + 20 = 30
- Sum: 30 + 1400 = 1430
Answer: 1430


Question: What is 86 + 69?
Let's think step by step.
- Add ones: 6 + 9 = 15
- Add tens: 80 + 60 = 140
- Sum: 15 + 140 = 155
Answer: 155


Question: What is 83 * 32?
Let's think step by step.
- 32 = 30 + 2
- 83 * 2 = (80 + 3) * 2 = 160 + 6 = 166
- 83 * 3 = (80 + 3) * 3 = 240 + 9 = 249, so 83 * 30 = 2490
- Sum: 166 + 2490 = 2656
Answer: 2656


Question: What is 56 * 68?
Let's think step by step.
- 68 = 60 + 8
- 56 * 8 = (50 + 6) * 8 = 400 + 48 = 448
- 56 * 6 = (50 + 6) * 6 = 300 + 36 = 336, so 56 * 60 = 3360
- Sum: 448 + 3360 = 3808
Answer: 3808


Question: What is 68 * 97?
Let's think step by step.
- 97 = 90 + 7
- 68 * 7 = (60 + 8) * 7 = 420 + 56 = 476
- 68 * 9 = (60 + 8) * 9 = 540 + 72 = 612, so 68 * 90 = 6120
- Sum: 476 + 6120 = 6596
Answer: 6596


Question: What is 4271 - 2508?
Let's think step by step.
- 1st digit from right: 1 < 8, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 8 = 3, write 3.
-   6 - 0 = 6, write 6.
- 3rd digit from right: 2 < 5, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 5 = 7, write 7.
-   3 - 2 = 1, write 1.
Answer: 1763


Question: What is 140 + 203?
Let's think step by step.
- Add ones: 0 + 3 = 3
- Add tens: 40 + 0 = 40
- Add hundreds: 100 + 200 = 300
- Sum: 3 + 40 = 43
- Sum: 43 + 300 = 343
Answer: 343


Question: What is 76 + 99?
Let's think step by step.
- Add ones: 6 + 9 = 15
- Add tens: 70 + 90 = 160
- Sum: 15 + 160 = 175
Answer: 175


Question: What is 283 + 900?
Let's think step by step.
- Add ones: 3 + 0 = 3
- Add tens: 80 + 0 = 80
- Add hundreds: 200 + 900 = 1100
- Sum: 3 + 80 = 83
- Sum: 83 + 1100 = 1183
Answer: 1183


Question: What is 238 * 85?
Let's think step by step.
- 85 = 80 + 5
- 238 * 5 = (200 + 30 + 8) * 5 = 1000 + 150 + 40 = 1190
- 238 * 8 = (200 + 30 + 8) * 8 = 1600 + 240 + 64 = 1904, so 238 * 80 = 19040
- Sum: 1190 + 19040 = 20230
Answer: 20230


Question: What is 399 * 17?
Let's think step by step.
- 17 = 10 + 7
- 399 * 7 = (300 + 90 + 9) * 7 = 2100 + 630 + 63 = 2793
- 399 * 1 = (300 + 90 + 9) * 1 = 300 + 90 + 9 = 399, so 399 * 10 = 3990
- Sum: 2793 + 3990 = 6783
Answer: 6783


Question: What is 763 * 29?
Let's think step by step.
- 29 = 20 + 9
- 763 * 9 = (700 + 60 + 3) * 9 = 6300 + 540 + 27 = 6867
- 763 * 2 = (700 + 60 + 3) * 2 = 1400 + 120 + 6 = 1526, so 763 * 20 = 15260
- Sum: 6867 + 15260 = 22127
Answer: 22127


Question: What is 67 - 2?
Let's think step by step.
-   7 - 2 = 5, write 5.
-   6 - 0 = 6, write 6.
Answer: 65


Question: What is 90 + 20?
Let's think step by step.
- Add ones: 0 + 0 = 0
- Add tens: 90 + 20 = 110
- Sum: 0 + 110 = 110
Answer: 110


Question: What is 244 + 347?
Let's think step by step.
- Add ones: 4 + 7 = 11
- Add tens: 40 + 40 = 80
- Add hundreds: 200 + 300 = 500
- Sum: 11 + 80 = 91
- Sum: 91 + 500 = 591
Answer: 591


Question: What is 9040 - 1954?
Let's think step by step.
- 1st digit from right: 0 < 4, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 4 = 6, write 6.
- 2nd digit from right: 3 < 5, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 5 = 8, write 8.
- 3rd digit from right: reduced to -1 by the previous borrow; -1 < 9, so borrow again: -1 + 10 = 9.
-   9 - 9 = 0, write 0.
-   8 - 1 = 7, write 7.
Answer: 7086


Question: What is 120 * 17?
Let's think step by step.
- 17 = 10 + 7
- 120 * 7 = (100 + 20) * 7 = 700 + 140 = 840
- 120 * 1 = (100 + 20) * 1 = 100 + 20 = 120, so 120 * 10 = 1200
- Sum: 840 + 1200 = 2040
Answer: 2040


Question: What is 933 - 155?
Let's think step by step.
- 1st digit from right: 3 < 5, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 5 = 8, write 8.
- 2nd digit from right: 2 < 5, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 5 = 7, write 7.
-   8 - 1 = 7, write 7.
Answer: 778


Question: What is 8377 - 2272?
Let's think step by step.
-   7 - 2 = 5, write 5.
-   7 - 7 = 0, write 0.
-   3 - 2 = 1, write 1.
-   8 - 2 = 6, write 6.
Answer: 6105


Question: What is 374 - 244?
Let's think step by step.
-   4 - 4 = 0, write 0.
-   7 - 4 = 3, write 3.
-   3 - 2 = 1, write 1.
Answer: 130


Question: What is 51 + 20?
Let's think step by step.
- Add ones: 1 + 0 = 1
- Add tens: 50 + 20 = 70
- Sum: 1 + 70 = 71
Answer: 71


Question: What is 869 * 83?
Let's think step by step.
- 83 = 80 + 3
- 869 * 3 = (800 + 60 + 9) * 3 = 2400 + 180 + 27 = 2607
- 869 * 8 = (800 + 60 + 9) * 8 = 6400 + 480 + 72 = 6952, so 869 * 80 = 69520
- Sum: 2607 + 69520 = 72127
Answer: 72127


Question: What is 25 + 40?
Let's think step by step.
- Add ones: 5 + 0 = 5
- Add tens: 20 + 40 = 60
- Sum: 5 + 60 = 65
Answer: 65


Question: What is 894 * 68?
Let's think step by step.
- 68 = 60 + 8
- 894 * 8 = (800 + 90 + 4) * 8 = 6400 + 720 + 32 = 7152
- 894 * 6 = (800 + 90 + 4) * 6 = 4800 + 540 + 24 = 5364, so 894 * 60 = 53640
- Sum: 7152 + 53640 = 60792
Answer: 60792


Question: What is 811 * 95?
Let's think step by step.
- 95 = 90 + 5
- 811 * 5 = (800 + 10 + 1) * 5 = 4000 + 50 + 5 = 4055
- 811 * 9 = (800 + 10 + 1) * 9 = 7200 + 90 + 9 = 7299, so 811 * 90 = 72990
- Sum: 4055 + 72990 = 77045
Answer: 77045


Question: What is 434 + 845?
Let's think step by step.
- Add ones: 4 + 5 = 9
- Add tens: 30 + 40 = 70
- Add hundreds: 400 + 800 = 1200
- Sum: 9 + 70 = 79
- Sum: 79 + 1200 = 1279
Answer: 1279


Question: What is 168 * 993?
Let's think step by step.
- 993 = 900 + 90 + 3
- 168 * 3 = (100 + 60 + 8) * 3 = 300 + 180 + 24 = 504
- 168 * 9 = (100 + 60 + 8) * 9 = 900 + 540 + 72 = 1512, so 168 * 90 = 15120
- 168 * 9 = (100 + 60 + 8) * 9 = 900 + 540 + 72 = 1512, so 168 * 900 = 151200
- Sum: 504 + 15120 = 15624
- Sum: 15624 + 151200 = 166824
Answer: 166824


Question: What is 958 - 93?
Let's think step by step.
-   8 - 3 = 5, write 5.
- 2nd digit from right: 5 < 9, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 9 = 6, write 6.
-   8 - 0 = 8, write 8.
Answer: 865


Question: What is 17 + 91?
Let's think step by step.
- Add ones: 7 + 1 = 8
- Add tens: 10 + 90 = 100
- Sum: 8 + 100 = 108
Answer: 108


Question: What is 70 + 32?
Let's think step by step.
- Add ones: 0 + 2 = 2
- Add tens: 70 + 30 = 100
- Sum: 2 + 100 = 102
Answer: 102


Question: What is 211 * 163?
Let's think step by step.
- 163 = 100 + 60 + 3
- 211 * 3 = (200 + 10 + 1) * 3 = 600 + 30 + 3 = 633
- 211 * 6 = (200 + 10 + 1) * 6 = 1200 + 60 + 6 = 1266, so 211 * 60 = 12660
- 211 * 1 = (200 + 10 + 1) * 1 = 200 + 10 + 1 = 211, so 211 * 100 = 21100
- Sum: 633 + 12660 = 13293
- Sum: 13293 + 21100 = 34393
Answer: 34393


Question: What is 835 * 16?
Let's think step by step.
- 16 = 10 + 6
- 835 * 6 = (800 + 30 + 5) * 6 = 4800 + 180 + 30 = 5010
- 835 * 1 = (800 + 30 + 5) * 1 = 800 + 30 + 5 = 835, so 835 * 10 = 8350
- Sum: 5010 + 8350 = 13360
Answer: 13360


Question: What is 25 + 17?
Let's think step by step.
- Add ones: 5 + 7 = 12
- Add tens: 20 + 10 = 30
- Sum: 12 + 30 = 42
Answer: 42


Question: What is 899 + 281?
Let's think step by step.
- Add ones: 9 + 1 = 10
- Add tens: 90 + 80 = 170
- Add hundreds: 800 + 200 = 1000
- Sum: 10 + 170 = 180
- Sum: 180 + 1000 = 1180
Answer: 1180


Question: What is 21 * 28?
Let's think step by step.
- 28 = 20 + 8
- 21 * 8 = (20 + 1) * 8 = 160 + 8 = 168
- 21 * 2 = (20 + 1) * 2 = 40 + 2 = 42, so 21 * 20 = 420
- Sum: 168 + 420 = 588
Answer: 588


Question: What is 113 + 261?
Let's think step by step.
- Add ones: 3 + 1 = 4
- Add tens: 10 + 60 = 70
- Add hundreds: 100 + 200 = 300
- Sum: 4 + 70 = 74
- Sum: 74 + 300 = 374
Answer: 374


Question: What is 511 - 354?
Let's think step by step.
- 1st digit from right: 1 < 4, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 4 = 7, write 7.
- 2nd digit from right: 0 < 5, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 5 = 5, write 5.
-   4 - 3 = 1, write 1.
Answer: 157


Question: What is 970 - 355?
Let's think step by step.
- 1st digit from right: 0 < 5, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 5 = 5, write 5.
-   6 - 5 = 1, write 1.
-   9 - 3 = 6, write 6.
Answer: 615


Question: What is 97 + 82?
Let's think step by step.
- Add ones: 7 + 2 = 9
- Add tens: 90 + 80 = 170
- Sum: 9 + 170 = 179
Answer: 179


Question: What is 4568 - 1964?
Let's think step by step.
-   8 - 4 = 4, write 4.
-   6 - 6 = 0, write 0.
- 3rd digit from right: 5 < 9, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 9 = 6, write 6.
-   3 - 1 = 2, write 2.
Answer: 2604


Question: What is 62 + 60?
Let's think step by step.
- Add ones: 2 + 0 = 2
- Add tens: 60 + 60 = 120
- Sum: 2 + 120 = 122
Answer: 122


Question: What is 366 * 67?
Let's think step by step.
- 67 = 60 + 7
- 366 * 7 = (300 + 60 + 6) * 7 = 2100 + 420 + 42 = 2562
- 366 * 6 = (300 + 60 + 6) * 6 = 1800 + 360 + 36 = 2196, so 366 * 60 = 21960
- Sum: 2562 + 21960 = 24522
Answer: 24522


Question: What is 53 + 86?
Let's think step by step.
- Add ones: 3 + 6 = 9
- Add tens: 50 + 80 = 130
- Sum: 9 + 130 = 139
Answer: 139


Question: What is 60 - 23?
Let's think step by step.
- 1st digit from right: 0 < 3, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 3 = 7, write 7.
-   5 - 2 = 3, write 3.
Answer: 37


Question: What is 87 * 28?
Let's think step by step.
- 28 = 20 + 8
- 87 * 8 = (80 + 7) * 8 = 640 + 56 = 696
- 87 * 2 = (80 + 7) * 2 = 160 + 14 = 174, so 87 * 20 = 1740
- Sum: 696 + 1740 = 2436
Answer: 2436


Question: What is 550 + 652?
Let's think step by step.
- Add ones: 0 + 2 = 2
- Add tens: 50 + 50 = 100
- Add hundreds: 500 + 600 = 1100
- Sum: 2 + 100 = 102
- Sum: 102 + 1100 = 1202
Answer: 1202


Question: What is 18 * 47?
Let's think step by step.
- 47 = 40 + 7
- 18 * 7 = (10 + 8) * 7 = 70 + 56 = 126
- 18 * 4 = (10 + 8) * 4 = 40 + 32 = 72, so 18 * 40 = 720
- Sum: 126 + 720 = 846
Answer: 846


Question: What is 794 + 938?
Let's think step by step.
- Add ones: 4 + 8 = 12
- Add tens: 90 + 30 = 120
- Add hundreds: 700 + 900 = 1600
- Sum: 12 + 120 = 132
- Sum: 132 + 1600 = 1732
Answer: 1732


Question: What is 765 - 309?
Let's think step by step.
- 1st digit from right: 5 < 9, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 9 = 6, write 6.
-   5 - 0 = 5, write 5.
-   7 - 3 = 4, write 4.
Answer: 456


Question: What is 945 + 578?
Let's think step by step.
- Add ones: 5 + 8 = 13
- Add tens: 40 + 70 = 110
- Add hundreds: 900 + 500 = 1400
- Sum: 13 + 110 = 123
- Sum: 123 + 1400 = 1523
Answer: 1523


Question: What is 914 + 805?
Let's think step by step.
- Add ones: 4 + 5 = 9
- Add tens: 10 + 0 = 10
- Add hundreds: 900 + 800 = 1700
- Sum: 9 + 10 = 19
- Sum: 19 + 1700 = 1719
Answer: 1719


Question: What is 68 - 16?
Let's think step by step.
-   8 - 6 = 2, write 2.
-   6 - 1 = 5, write 5.
Answer: 52


Question: What is 973 * 2?
Let's think step by step.
- 973 * 2 = (900 + 70 + 3) * 2 = 1800 + 140 + 6 = 1946
Answer: 1946


Question: What is 554 - 312?
Let's think step by step.
-   4 - 2 = 2, write 2.
-   5 - 1 = 4, write 4.
-   5 - 3 = 2, write 2.
Answer: 242


Question: What is 133 * 600?
Let's think step by step.
- 600 = 600
- 133 * 6 = (100 + 30 + 3) * 6 = 600 + 180 + 18 = 798, so 133 * 600 = 79800
Answer: 79800


Question: What is 881 * 5?
Let's think step by step.
- 881 * 5 = (800 + 80 + 1) * 5 = 4000 + 400 + 5 = 4405
Answer: 4405


Question: What is 31 + 71?
Let's think step by step.
- Add ones: 1 + 1 = 2
- Add tens: 30 + 70 = 100
- Sum: 2 + 100 = 102
Answer: 102


Question: What is 127 * 996?
Let's think step by step.
- 996 = 900 + 90 + 6
- 127 * 6 = (100 + 20 + 7) * 6 = 600 + 120 + 42 = 762
- 127 * 9 = (100 + 20 + 7) * 9 = 900 + 180 + 63 = 1143, so 127 * 90 = 11430
- 127 * 9 = (100 + 20 + 7) * 9 = 900 + 180 + 63 = 1143, so 127 * 900 = 114300
- Sum: 762 + 11430 = 12192
- Sum: 12192 + 114300 = 126492
Answer: 126492


Question: What is 140 * 93?
Let's think step by step.
- 93 = 90 + 3
- 140 * 3 = (100 + 40) * 3 = 300 + 120 = 420
- 140 * 9 = (100 + 40) * 9 = 900 + 360 = 1260, so 140 * 90 = 12600
- Sum: 420 + 12600 = 13020
Answer: 13020


Question: What is 2834 - 1438?
Let's think step by step.
- 1st digit from right: 4 < 8, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 8 = 6, write 6.
- 2nd digit from right: 2 < 3, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 3 = 9, write 9.
-   7 - 4 = 3, write 3.
-   2 - 1 = 1, write 1.
Answer: 1396


Question: What is 88 + 26?
Let's think step by step.
- Add ones: 8 + 6 = 14
- Add tens: 80 + 20 = 100
- Sum: 14 + 100 = 114
Answer: 114


Question: What is 542 + 137?
Let's think step by step.
- Add ones: 2 + 7 = 9
- Add tens: 40 + 30 = 70
- Add hundreds: 500 + 100 = 600
- Sum: 9 + 70 = 79
- Sum: 79 + 600 = 679
Answer: 679


Question: What is 293 + 402?
Let's think step by step.
- Add ones: 3 + 2 = 5
- Add tens: 90 + 0 = 90
- Add hundreds: 200 + 400 = 600
- Sum: 5 + 90 = 95
- Sum: 95 + 600 = 695
Answer: 695


Question: What is 36 + 94?
Let's think step by step.
- Add ones: 6 + 4 = 10
- Add tens: 30 + 90 = 120
- Sum: 10 + 120 = 130
Answer: 130


Question: What is 29 * 84?
Let's think step by step.
- 84 = 80 + 4
- 29 * 4 = (20 + 9) * 4 = 80 + 36 = 116
- 29 * 8 = (20 + 9) * 8 = 160 + 72 = 232, so 29 * 80 = 2320
- Sum: 116 + 2320 = 2436
Answer: 2436


Question: What is 61 + 14?
Let's think step by step.
- Add ones: 1 + 4 = 5
- Add tens: 60 + 10 = 70
- Sum: 5 + 70 = 75
Answer: 75


Question: What is 72 + 21?
Let's think step by step.
- Add ones: 2 + 1 = 3
- Add tens: 70 + 20 = 90
- Sum: 3 + 90 = 93
Answer: 93


Question: What is 42 - 41?
Let's think step by step.
-   2 - 1 = 1, write 1.
-   4 - 4 = 0, write 0.
Answer: 1


Question: What is 586 - 273?
Let's think step by step.
-   6 - 3 = 3, write 3.
-   8 - 7 = 1, write 1.
-   5 - 2 = 3, write 3.
Answer: 313


Question: What is 411 * 5?
Let's think step by step.
- 411 * 5 = (400 + 10 + 1) * 5 = 2000 + 50 + 5 = 2055
Answer: 2055


Question: What is 8384 - 4842?
Let's think step by step.
-   4 - 2 = 2, write 2.
-   8 - 4 = 4, write 4.
- 3rd digit from right: 3 < 8, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 8 = 5, write 5.
-   7 - 4 = 3, write 3.
Answer: 3542


Question: What is 91 - 7?
Let's think step by step.
- 1st digit from right: 1 < 7, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 7 = 4, write 4.
-   8 - 0 = 8, write 8.
Answer: 84


Question: What is 77 + 11?
Let's think step by step.
- Add ones: 7 + 1 = 8
- Add tens: 70 + 10 = 80
- Sum: 8 + 80 = 88
Answer: 88


Question: What is 51 + 18?
Let's think step by step.
- Add ones: 1 + 8 = 9
- Add tens: 50 + 10 = 60
- Sum: 9 + 60 = 69
Answer: 69


Question: What is 874 * 3?
Let's think step by step.
- 874 * 3 = (800 + 70 + 4) * 3 = 2400 + 210 + 12 = 2622
Answer: 2622


Question: What is 684 - 568?
Let's think step by step.
- 1st digit from right: 4 < 8, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 8 = 6, write 6.
-   7 - 6 = 1, write 1.
-   6 - 5 = 1, write 1.
Answer: 116


Question: What is 10 * 17?
Let's think step by step.
- 17 = 10 + 7
- 10 * 7 = 70
- 10 * 1 = 10, so 10 * 10 = 100
- Sum: 70 + 100 = 170
Answer: 170


Question: What is 920 + 316?
Let's think step by step.
- Add ones: 0 + 6 = 6
- Add tens: 20 + 10 = 30
- Add hundreds: 900 + 300 = 1200
- Sum: 6 + 30 = 36
- Sum: 36 + 1200 = 1236
Answer: 1236


Question: What is 89 * 52?
Let's think step by step.
- 52 = 50 + 2
- 89 * 2 = (80 + 9) * 2 = 160 + 18 = 178
- 89 * 5 = (80 + 9) * 5 = 400 + 45 = 445, so 89 * 50 = 4450
- Sum: 178 + 4450 = 4628
Answer: 4628


Question: What is 72 + 15?
Let's think step by step.
- Add ones: 2 + 5 = 7
- Add tens: 70 + 10 = 80
- Sum: 7 + 80 = 87
Answer: 87


Question: What is 32 * 33?
Let's think step by step.
- 33 = 30 + 3
- 32 * 3 = (30 + 2) * 3 = 90 + 6 = 96
- 32 * 3 = (30 + 2) * 3 = 90 + 6 = 96, so 32 * 30 = 960
- Sum: 96 + 960 = 1056
Answer: 1056


Question: What is 79 + 76?
Let's think step by step.
- Add ones: 9 + 6 = 15
- Add tens: 70 + 70 = 140
- Sum: 15 + 140 = 155
Answer: 155


Question: What is 811 - 393?
Let's think step by step.
- 1st digit from right: 1 < 3, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 3 = 8, write 8.
- 2nd digit from right: 0 < 9, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 9 = 1, write 1.
-   7 - 3 = 4, write 4.
Answer: 418


Question: What is 243 * 3?
Let's think step by step.
- 243 * 3 = (200 + 40 + 3) * 3 = 600 + 120 + 9 = 729
Answer: 729


Question: What is 985 * 26?
Let's think step by step.
- 26 = 20 + 6
- 985 * 6 = (900 + 80 + 5) * 6 = 5400 + 480 + 30 = 5910
- 985 * 2 = (900 + 80 + 5) * 2 = 1800 + 160 + 10 = 1970, so 985 * 20 = 19700
- Sum: 5910 + 19700 = 25610
Answer: 25610


Question: What is 41 + 25?
Let's think step by step.
- Add ones: 1 + 5 = 6
- Add tens: 40 + 20 = 60
- Sum: 6 + 60 = 66
Answer: 66


Question: What is 587 * 86?
Let's think step by step.
- 86 = 80 + 6
- 587 * 6 = (500 + 80 + 7) * 6 = 3000 + 480 + 42 = 3522
- 587 * 8 = (500 + 80 + 7) * 8 = 4000 + 640 + 56 = 4696, so 587 * 80 = 46960
- Sum: 3522 + 46960 = 50482
Answer: 50482


Question: What is 82 - 68?
Let's think step by step.
- 1st digit from right: 2 < 8, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 8 = 4, write 4.
-   7 - 6 = 1, write 1.
Answer: 14


Question: What is 49 * 10?
Let's think step by step.
- 10 = 10
- 49 * 1 = (40 + 9) * 1 = 40 + 9 = 49, so 49 * 10 = 490
Answer: 490


Question: What is 890 - 10?
Let's think step by step.
-   0 - 0 = 0, write 0.
-   9 - 1 = 8, write 8.
-   8 - 0 = 8, write 8.
Answer: 880


Question: What is 662 + 882?
Let's think step by step.
- Add ones: 2 + 2 = 4
- Add tens: 60 + 80 = 140
- Add hundreds: 600 + 800 = 1400
- Sum: 4 + 140 = 144
- Sum: 144 + 1400 = 1544
Answer: 1544


Question: What is 30 * 36?
Let's think step by step.
- 36 = 30 + 6
- 30 * 6 = 180
- 30 * 3 = 90, so 30 * 30 = 900
- Sum: 180 + 900 = 1080
Answer: 1080


Question: What is 13 * 12?
Let's think step by step.
- 12 = 10 + 2
- 13 * 2 = (10 + 3) * 2 = 20 + 6 = 26
- 13 * 1 = (10 + 3) * 1 = 10 + 3 = 13, so 13 * 10 = 130
- Sum: 26 + 130 = 156
Answer: 156


Question: What is 785 - 551?
Let's think step by step.
-   5 - 1 = 4, write 4.
-   8 - 5 = 3, write 3.
-   7 - 5 = 2, write 2.
Answer: 234


Question: What is 62 + 53?
Let's think step by step.
- Add ones: 2 + 3 = 5
- Add tens: 60 + 50 = 110
- Sum: 5 + 110 = 115
Answer: 115


Question: What is 413 * 53?
Let's think step by step.
- 53 = 50 + 3
- 413 * 3 = (400 + 10 + 3) * 3 = 1200 + 30 + 9 = 1239
- 413 * 5 = (400 + 10 + 3) * 5 = 2000 + 50 + 15 = 2065, so 413 * 50 = 20650
- Sum: 1239 + 20650 = 21889
Answer: 21889


Question: What is 12 + 81?
Let's think step by step.
- Add ones: 2 + 1 = 3
- Add tens: 10 + 80 = 90
- Sum: 3 + 90 = 93
Answer: 93


Question: What is 49 + 25?
Let's think step by step.
- Add ones: 9 + 5 = 14
- Add tens: 40 + 20 = 60
- Sum: 14 + 60 = 74
Answer: 74


Question: What is 918 + 444?
Let's think step by step.
- Add ones: 8 + 4 = 12
- Add tens: 10 + 40 = 50
- Add hundreds: 900 + 400 = 1300
- Sum: 12 + 50 = 62
- Sum: 62 + 1300 = 1362
Answer: 1362


Question: What is 304 + 968?
Let's think step by step.
- Add ones: 4 + 8 = 12
- Add tens: 0 + 60 = 60
- Add hundreds: 300 + 900 = 1200
- Sum: 12 + 60 = 72
- Sum: 72 + 1200 = 1272
Answer: 1272


Question: What is 275 - 138?
Let's think step by step.
- 1st digit from right: 5 < 8, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 8 = 7, write 7.
-   6 - 3 = 3, write 3.
-   2 - 1 = 1, write 1.
Answer: 137


Question: What is 79 - 52?
Let's think step by step.
-   9 - 2 = 7, write 7.
-   7 - 5 = 2, write 2.
Answer: 27


Question: What is 645 - 332?
Let's think step by step.
-   5 - 2 = 3, write 3.
-   4 - 3 = 1, write 1.
-   6 - 3 = 3, write 3.
Answer: 313


Question: What is 7815 - 1280?
Let's think step by step.
-   5 - 0 = 5, write 5.
- 2nd digit from right: 1 < 8, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 8 = 3, write 3.
-   7 - 2 = 5, write 5.
-   7 - 1 = 6, write 6.
Answer: 6535