Question: What is 60 + 87?
Let's think step by step.
- Add ones: 0 + 7 = 7
- Add tens: 60 + 80 = 140
- Sum: 7 + 140 = 147
Answer: 147


Question: What is 700 - 193?
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.
- 2nd digit from right: reduced to -1 by the previous borrow; -1 < 9, so borrow again: -1 + 10 = 9.
-   9 - 9 = 0, write 0.
-   6 - 1 = 5, write 5.
Answer: 507


Question: What is 93 * 39?
Let's think step by step.
- 39 = 30 + 9
- 93 * 9 = (90 + 3) * 9 = 810 + 27 = 837
- 93 * 3 = (90 + 3) * 3 = 270 + 9 = 279, so 93 * 30 = 2790
- Sum: 837 + 2790 = 3627
Answer: 3627


Question: What is 62 * 50?
Let's think step by step.
- 50 = 50
- 62 * 5 = (60 + 2) * 5 = 300 + 10 = 310, so 62 * 50 = 3100
Answer: 3100


Question: What is 934 - 523?
Let's think step by step.
-   4 - 3 = 1, write 1.
-   3 - 2 = 1, write 1.
-   9 - 5 = 4, write 4.
Answer: 411


Question: What is 947 * 5?
Let's think step by step.
- 947 * 5 = (900 + 40 + 7) * 5 = 4500 + 200 + 35 = 4735
Answer: 4735


Question: What is 267 - 123?
Let's think step by step.
-   7 - 3 = 4, write 4.
-   6 - 2 = 4, write 4.
-   2 - 1 = 1, write 1.
Answer: 144


Question: What is 497 + 352?
Let's think step by step.
- Add ones: 7 + 2 = 9
- Add tens: 90 + 50 = 140
- Add hundreds: 400 + 300 = 700
- Sum: 9 + 140 = 149
- Sum: 149 + 700 = 849
Answer: 849


Question: What is 404 + 826?
Let's think step by step.
- Add ones: 4 + 6 = 10
- Add tens: 0 + 20 = 20
- Add hundreds: 400 + 800 = 1200
- Sum: 10 + 20 = 30
- Sum: 30 + 1200 = 1230
Answer: 1230


Question: What is 652 + 408?
Let's think step by step.
- Add ones: 2 + 8 = 10
- Add tens: 50 + 0 = 50
- Add hundreds: 600 + 400 = 1000
- Sum: 10 + 50 = 60
- Sum: 60 + 1000 = 1060
Answer: 1060


Question: What is 869 - 541?
Let's think step by step.
-   9 - 1 = 8, write 8.
-   6 - 4 = 2, write 2.
-   8 - 5 = 3, write 3.
Answer: 328


Question: What is 878 * 89?
Let's think step by step.
- 89 = 80 + 9
- 878 * 9 = (800 + 70 + 8) * 9 = 7200 + 630 + 72 = 7902
- 878 * 8 = (800 + 70 + 8) * 8 = 6400 + 560 + 64 = 7024, so 878 * 80 = 70240
- Sum: 7902 + 70240 = 78142
Answer: 78142


Question: What is 396 + 782?
Let's think step by step.
- Add ones: 6 + 2 = 8
- Add tens: 90 + 80 = 170
- Add hundreds: 300 + 700 = 1000
- Sum: 8 + 170 = 178
- Sum: 178 + 1000 = 1178
Answer: 1178


Question: What is 9064 - 8729?
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 - 2 = 3, write 3.
- 3rd digit from right: 0 < 7, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 7 = 3, write 3.
-   8 - 8 = 0, write 0.
Answer: 335


Question: What is 72 * 56?
Let's think step by step.
- 56 = 50 + 6
- 72 * 6 = (70 + 2) * 6 = 420 + 12 = 432
- 72 * 5 = (70 + 2) * 5 = 350 + 10 = 360, so 72 * 50 = 3600
- Sum: 432 + 3600 = 4032
Answer: 4032


Question: What is 24 - 17?
Let's think step by step.
- 1st digit from right: 4 < 7, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 7 = 7, write 7.
-   1 - 1 = 0, write 0.
Answer: 7


Question: What is 74 + 26?
Let's think step by step.
- Add ones: 4 + 6 = 10
- Add tens: 70 + 20 = 90
- Sum: 10 + 90 = 100
Answer: 100


Question: What is 81 * 20?
Let's think step by step.
- 20 = 20
- 81 * 2 = (80 + 1) * 2 = 160 + 2 = 162, so 81 * 20 = 1620
Answer: 1620


Question: What is 93 - 93?
Let's think step by step.
-   3 - 3 = 0, write 0.
-   9 - 9 = 0, write 0.
Answer: 0


Question: What is 83 * 60?
Let's think step by step.
- 60 = 60
- 83 * 6 = (80 + 3) * 6 = 480 + 18 = 498, so 83 * 60 = 4980
Answer: 4980


Question: What is 781 - 715?
Let's think step by step.
- 1st digit from right: 1 < 5, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 5 = 6, write 6.
-   7 - 1 = 6, write 6.
-   7 - 7 = 0, write 0.
Answer: 66


Question: What is 13 + 86?
Let's think step by step.
- Add ones: 3 + 6 = 9
- Add tens: 10 + 80 = 90
- Sum: 9 + 90 = 99
Answer: 99


Question: What is 600 - 331?
Let's think step by step.
- 1st digit from right: 0 < 1, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 1 = 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.
-   5 - 3 = 2, write 2.
Answer: 269


Question: What is 346 + 806?
Let's think step by step.
- Add ones: 6 + 6 = 12
- Add tens: 40 + 0 = 40
- Add hundreds: 300 + 800 = 1100
- Sum: 12 + 40 = 52
- Sum: 52 + 1100 = 1152
Answer: 1152


Question: What is 429 * 4?
Let's think step by step.
- 429 * 4 = (400 + 20 + 9) * 4 = 1600 + 80 + 36 = 1716
Answer: 1716


Question: What is 59 * 42?
Let's think step by step.
- 42 = 40 + 2
- 59 * 2 = (50 + 9) * 2 = 100 + 18 = 118
- 59 * 4 = (50 + 9) * 4 = 200 + 36 = 236, so 59 * 40 = 2360
- Sum: 118 + 2360 = 2478
Answer: 2478


Question: What is 17 * 81?
Let's think step by step.
- 81 = 80 + 1
- 17 * 1 = (10 + 7) * 1 = 10 + 7 = 17
- 17 * 8 = (10 + 7) * 8 = 80 + 56 = 136, so 17 * 80 = 1360
- Sum: 17 + 1360 = 1377
Answer: 1377


Question: What is 667 + 645?
Let's think step by step.
- Add ones: 7 + 5 = 12
- Add tens: 60 + 40 = 100
- Add hundreds: 600 + 600 = 1200
- Sum: 12 + 100 = 112
- Sum: 112 + 1200 = 1312
Answer: 1312


Question: What is 927 - 502?
Let's think step by step.
-   7 - 2 = 5, write 5.
-   2 - 0 = 2, write 2.
-   9 - 5 = 4, write 4.
Answer: 425


Question: What is 52 - 27?
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.
-   4 - 2 = 2, write 2.
Answer: 25


Question: What is 74 - 66?
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.
-   6 - 6 = 0, write 0.
Answer: 8


Question: What is 770 * 12?
Let's think step by step.
- 12 = 10 + 2
- 770 * 2 = (700 + 70) * 2 = 1400 + 140 = 1540
- 770 * 1 = (700 + 70) * 1 = 700 + 70 = 770, so 770 * 10 = 7700
- Sum: 1540 + 7700 = 9240
Answer: 9240


Question: What is 92 - 24?
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.
-   8 - 2 = 6, write 6.
Answer: 68


Question: What is 77 - 5?
Let's think step by step.
-   7 - 5 = 2, write 2.
-   7 - 0 = 7, write 7.
Answer: 72


Question: What is 44 + 15?
Let's think step by step.
- Add ones: 4 + 5 = 9
- Add tens: 40 + 10 = 50
- Sum: 9 + 50 = 59
Answer: 59


Question: What is 290 + 953?
Let's think step by step.
- Add ones: 0 + 3 = 3
- Add tens: 90 + 50 = 140
- Add hundreds: 200 + 900 = 1100
- Sum: 3 + 140 = 143
- Sum: 143 + 1100 = 1243
Answer: 1243


Question: What is 11 * 41?
Let's think step by step.
- 41 = 40 + 1
- 11 * 1 = (10 + 1) * 1 = 10 + 1 = 11
- 11 * 4 = (10 + 1) * 4 = 40 + 4 = 44, so 11 * 40 = 440
- Sum: 11 + 440 = 451
Answer: 451


Question: What is 5352 - 3961?
Let's think step by step.
-   2 - 1 = 1, write 1.
- 2nd digit from right: 5 < 6, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 6 = 9, write 9.
- 3rd digit from right: 2 < 9, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 9 = 3, write 3.
-   4 - 3 = 1, write 1.
Answer: 1391


Question: What is 276 + 975?
Let's think step by step.
- Add ones: 6 + 5 = 11
- Add tens: 70 + 70 = 140
- Add hundreds: 200 + 900 = 1100
- Sum: 11 + 140 = 151
- Sum: 151 + 1100 = 1251
Answer: 1251


Question: What is 989 - 454?
Let's think step by step.
-   9 - 4 = 5, write 5.
-   8 - 5 = 3, write 3.
-   9 - 4 = 5, write 5.
Answer: 535


Question: What is 381 * 799?
Let's think step by step.
- 799 = 700 + 90 + 9
- 381 * 9 = (300 + 80 + 1) * 9 = 2700 + 720 + 9 = 3429
- 381 * 9 = (300 + 80 + 1) * 9 = 2700 + 720 + 9 = 3429, so 381 * 90 = 34290
- 381 * 7 = (300 + 80 + 1) * 7 = 2100 + 560 + 7 = 2667, so 381 * 700 = 266700
- Sum: 3429 + 34290 = 37719
- Sum: 37719 + 266700 = 304419
Answer: 304419


Question: What is 75 - 45?
Let's think step by step.
-   5 - 5 = 0, write 0.
-   7 - 4 = 3, write 3.
Answer: 30


Question: What is 200 * 50?
Let's think step by step.
- 50 = 50
- 200 * 5 = 1000, so 200 * 50 = 10000
Answer: 10000


Question: What is 84 * 79?
Let's think step by step.
- 79 = 70 + 9
- 84 * 9 = (80 + 4) * 9 = 720 + 36 = 756
- 84 * 7 = (80 + 4) * 7 = 560 + 28 = 588, so 84 * 70 = 5880
- Sum: 756 + 5880 = 6636
Answer: 6636


Question: What is 979 - 206?
Let's think step by step.
-   9 - 6 = 3, write 3.
-   7 - 0 = 7, write 7.
-   9 - 2 = 7, write 7.
Answer: 773


Question: What is 7448 - 4850?
Let's think step by step.
-   8 - 0 = 8, write 8.
- 2nd digit from right: 4 < 5, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 5 = 9, write 9.
- 3rd digit from right: 3 < 8, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 8 = 5, write 5.
-   6 - 4 = 2, write 2.
Answer: 2598


Question: What is 24 * 54?
Let's think step by step.
- 54 = 50 + 4
- 24 * 4 = (20 + 4) * 4 = 80 + 16 = 96
- 24 * 5 = (20 + 4) * 5 = 100 + 20 = 120, so 24 * 50 = 1200
- Sum: 96 + 1200 = 1296
Answer: 1296


Question: What is 73 - 55?
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 - 5 = 1, write 1.
Answer: 18


Question: What is 41 - 17?
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.
-   3 - 1 = 2, write 2.
Answer: 24


Question: What is 42 + 94?
Let's think step by step.
- Add ones: 2 + 4 = 6
- Add tens: 40 + 90 = 130
- Sum: 6 + 130 = 136
Answer: 136


Question: What is 59 + 99?
Let's think step by step.
- Add ones: 9 + 9 = 18
- Add tens: 50 + 90 = 140
- Sum: 18 + 140 = 158
Answer: 158


Question: What is 263 + 204?
Let's think step by step.
- Add ones: 3 + 4 = 7
- Add tens: 60 + 0 = 60
- Add hundreds: 200 + 200 = 400
- Sum: 7 + 60 = 67
- Sum: 67 + 400 = 467
Answer: 467


Question: What is 57 + 73?
Let's think step by step.
- Add ones: 7 + 3 = 10
- Add tens: 50 + 70 = 120
- Sum: 10 + 120 = 130
Answer: 130


Question: What is 10 * 24?
Let's think step by step.
- 24 = 20 + 4
- 10 * 4 = 40
- 10 * 2 = 20, so 10 * 20 = 200
- Sum: 40 + 200 = 240
Answer: 240


Question: What is 379 - 376?
Let's think step by step.
-   9 - 6 = 3, write 3.
-   7 - 7 = 0, write 0.
-   3 - 3 = 0, write 0.
Answer: 3


Question: What is 97 + 19?
Let's think step by step.
- Add ones: 7 + 9 = 16
- Add tens: 90 + 10 = 100
- Sum: 16 + 100 = 116
Answer: 116


Question: What is 965 * 22?
Let's think step by step.
- 22 = 20 + 2
- 965 * 2 = (900 + 60 + 5) * 2 = 1800 + 120 + 10 = 1930
- 965 * 2 = (900 + 60 + 5) * 2 = 1800 + 120 + 10 = 1930, so 965 * 20 = 19300
- Sum: 1930 + 19300 = 21230
Answer: 21230


Question: What is 81 - 63?
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.
-   7 - 6 = 1, write 1.
Answer: 18


Question: What is 50 * 12?
Let's think step by step.
- 12 = 10 + 2
- 50 * 2 = 100
- 50 * 1 = 50, so 50 * 10 = 500
- Sum: 100 + 500 = 600
Answer: 600


Question: What is 74 - 64?
Let's think step by step.
-   4 - 4 = 0, write 0.
-   7 - 6 = 1, write 1.
Answer: 10


Question: What is 39 + 23?
Let's think step by step.
- Add ones: 9 + 3 = 12
- Add tens: 30 + 20 = 50
- Sum: 12 + 50 = 62
Answer: 62


Question: What is 82 + 77?
Let's think step by step.
- Add ones: 2 + 7 = 9
- Add tens: 80 + 70 = 150
- Sum: 9 + 150 = 159
Answer: 159


Question: What is 267 * 6?
Let's think step by step.
- 267 * 6 = (200 + 60 + 7) * 6 = 1200 + 360 + 42 = 1602
Answer: 1602


Question: What is 7608 - 1036?
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.
-   5 - 0 = 5, write 5.
-   7 - 1 = 6, write 6.
Answer: 6572


Question: What is 78 * 36?
Let's think step by step.
- 36 = 30 + 6
- 78 * 6 = (70 + 8) * 6 = 420 + 48 = 468
- 78 * 3 = (70 + 8) * 3 = 210 + 24 = 234, so 78 * 30 = 2340
- Sum: 468 + 2340 = 2808
Answer: 2808


Question: What is 315 + 332?
Let's think step by step.
- Add ones: 5 + 2 = 7
- Add tens: 10 + 30 = 40
- Add hundreds: 300 + 300 = 600
- Sum: 7 + 40 = 47
- Sum: 47 + 600 = 647
Answer: 647


Question: What is 191 + 933?
Let's think step by step.
- Add ones: 1 + 3 = 4
- Add tens: 90 + 30 = 120
- Add hundreds: 100 + 900 = 1000
- Sum: 4 + 120 = 124
- Sum: 124 + 1000 = 1124
Answer: 1124


Question: What is 15 * 46?
Let's think step by step.
- 46 = 40 + 6
- 15 * 6 = (10 + 5) * 6 = 60 + 30 = 90
- 15 * 4 = (10 + 5) * 4 = 40 + 20 = 60, so 15 * 40 = 600
- Sum: 90 + 600 = 690
Answer: 690


Question: What is 96 * 18?
Let's think step by step.
- 18 = 10 + 8
- 96 * 8 = (90 + 6) * 8 = 720 + 48 = 768
- 96 * 1 = (90 + 6) * 1 = 90 + 6 = 96, so 96 * 10 = 960
- Sum: 768 + 960 = 1728
Answer: 1728


Question: What is 198 * 57?
Let's think step by step.
- 57 = 50 + 7
- 198 * 7 = (100 + 90 + 8) * 7 = 700 + 630 + 56 = 1386
- 198 * 5 = (100 + 90 + 8) * 5 = 500 + 450 + 40 = 990, so 198 * 50 = 9900
- Sum: 1386 + 9900 = 11286
Answer: 11286


Question: What is 95 + 60?
Let's think step by step.
- Add ones: 5 + 0 = 5
- Add tens: 90 + 60 = 150
- Sum: 5 + 150 = 155
Answer: 155


Question: What is 98 - 47?
Let's think step by step.
-   8 - 7 = 1, write 1.
-   9 - 4 = 5, write 5.
Answer: 51


Question: What is 26 + 14?
Let's think step by step.
- Add ones: 6 + 4 = 10
- Add tens: 20 + 10 = 30
- Sum: 10 + 30 = 40
Answer: 40


Question: What is 78 - 10?
Let's think step by step.
-   8 - 0 = 8, write 8.
-   7 - 1 = 6, write 6.
Answer: 68


Question: What is 75 + 95?
Let's think step by step.
- Add ones: 5 + 5 = 10
- Add tens: 70 + 90 = 160
- Sum: 10 + 160 = 170
Answer: 170


Question: What is 98 + 51?
Let's think step by step.
- Add ones: 8 + 1 = 9
- Add tens: 90 + 50 = 140
- Sum: 9 + 140 = 149
Answer: 149


Question: What is 873 + 353?
Let's think step by step.
- Add ones: 3 + 3 = 6
- Add tens: 70 + 50 = 120
- Add hundreds: 800 + 300 = 1100
- Sum: 6 + 120 = 126
- Sum: 126 + 1100 = 1226
Answer: 1226


Question: What is 32 + 83?
Let's think step by step.
- Add ones: 2 + 3 = 5
- Add tens: 30 + 80 = 110
- Sum: 5 + 110 = 115
Answer: 115


Question: What is 563 * 8?
Let's think step by step.
- 563 * 8 = (500 + 60 + 3) * 8 = 4000 + 480 + 24 = 4504
Answer: 4504


Question: What is 760 + 145?
Let's think step by step.
- Add ones: 0 + 5 = 5
- Add tens: 60 + 40 = 100
- Add hundreds: 700 + 100 = 800
- Sum: 5 + 100 = 105
- Sum: 105 + 800 = 905
Answer: 905


Question: What is 88 + 37?
Let's think step by step.
- Add ones: 8 + 7 = 15
- Add tens: 80 + 30 = 110
- Sum: 15 + 110 = 125
Answer: 125


Question: What is 311 * 6?
Let's think step by step.
- 311 * 6 = (300 + 10 + 1) * 6 = 1800 + 60 + 6 = 1866
Answer: 1866


Question: What is 913 + 299?
Let's think step by step.
- Add ones: 3 + 9 = 12
- Add tens: 10 + 90 = 100
- Add hundreds: 900 + 200 = 1100
- Sum: 12 + 100 = 112
- Sum: 112 + 1100 = 1212
Answer: 1212


Question: What is 505 - 230?
Let's think step by step.
-   5 - 0 = 5, write 5.
- 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: 275


Question: What is 582 + 828?
Let's think step by step.
- Add ones: 2 + 8 = 10
- Add tens: 80 + 20 = 100
- Add hundreds: 500 + 800 = 1300
- Sum: 10 + 100 = 110
- Sum: 110 + 1300 = 1410
Answer: 1410


Question: What is 59 * 51?
Let's think step by step.
- 51 = 50 + 1
- 59 * 1 = (50 + 9) * 1 = 50 + 9 = 59
- 59 * 5 = (50 + 9) * 5 = 250 + 45 = 295, so 59 * 50 = 2950
- Sum: 59 + 2950 = 3009
Answer: 3009


Question: What is 863 + 563?
Let's think step by step.
- Add ones: 3 + 3 = 6
- Add tens: 60 + 60 = 120
- Add hundreds: 800 + 500 = 1300
- Sum: 6 + 120 = 126
- Sum: 126 + 1300 = 1426
Answer: 1426


Question: What is 592 + 771?
Let's think step by step.
- Add ones: 2 + 1 = 3
- Add tens: 90 + 70 = 160
- Add hundreds: 500 + 700 = 1200
- Sum: 3 + 160 = 163
- Sum: 163 + 1200 = 1363
Answer: 1363


Question: What is 44 - 39?
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.
-   3 - 3 = 0, write 0.
Answer: 5


Question: What is 52 + 25?
Let's think step by step.
- Add ones: 2 + 5 = 7
- Add tens: 50 + 20 = 70
- Sum: 7 + 70 = 77
Answer: 77


Question: What is 60 - 33?
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 - 3 = 2, write 2.
Answer: 27


Question: What is 13 * 78?
Let's think step by step.
- 78 = 70 + 8
- 13 * 8 = (10 + 3) * 8 = 80 + 24 = 104
- 13 * 7 = (10 + 3) * 7 = 70 + 21 = 91, so 13 * 70 = 910
- Sum: 104 + 910 = 1014
Answer: 1014


Question: What is 76 + 68?
Let's think step by step.
- Add ones: 6 + 8 = 14
- Add tens: 70 + 60 = 130
- Sum: 14 + 130 = 144
Answer: 144


Question: What is 121 + 583?
Let's think step by step.
- Add ones: 1 + 3 = 4
- Add tens: 20 + 80 = 100
- Add hundreds: 100 + 500 = 600
- Sum: 4 + 100 = 104
- Sum: 104 + 600 = 704
Answer: 704


Question: What is 842 + 669?
Let's think step by step.
- Add ones: 2 + 9 = 11
- Add tens: 40 + 60 = 100
- Add hundreds: 800 + 600 = 1400
- Sum: 11 + 100 = 111
- Sum: 111 + 1400 = 1511
Answer: 1511


Question: What is 366 - 246?
Let's think step by step.
-   6 - 6 = 0, write 0.
-   6 - 4 = 2, write 2.
-   3 - 2 = 1, write 1.
Answer: 120


Question: What is 672 - 190?
Let's think step by step.
-   2 - 0 = 2, write 2.
- 2nd digit from right: 7 < 9, borrow 1 from the next digit: 7 + 10 = 17.
-   17 - 9 = 8, write 8.
-   5 - 1 = 4, write 4.
Answer: 482


Question: What is 33 - 18?
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 - 1 = 1, write 1.
Answer: 15


Question: What is 88 * 92?
Let's think step by step.
- 92 = 90 + 2
- 88 * 2 = (80 + 8) * 2 = 160 + 16 = 176
- 88 * 9 = (80 + 8) * 9 = 720 + 72 = 792, so 88 * 90 = 7920
- Sum: 176 + 7920 = 8096
Answer: 8096


Question: What is 339 + 367?
Let's think step by step.
- Add ones: 9 + 7 = 16
- Add tens: 30 + 60 = 90
- Add hundreds: 300 + 300 = 600
- Sum: 16 + 90 = 106
- Sum: 106 + 600 = 706
Answer: 706


Question: What is 290 * 206?
Let's think step by step.
- 206 = 200 + 6
- 290 * 6 = (200 + 90) * 6 = 1200 + 540 = 1740
- 290 * 2 = (200 + 90) * 2 = 400 + 180 = 580, so 290 * 200 = 58000
- Sum: 1740 + 58000 = 59740
Answer: 59740


Question: What is 620 - 235?
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 < 3, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 3 = 8, write 8.
-   5 - 2 = 3, write 3.
Answer: 385


Question: What is 47 - 44?
Let's think step by step.
-   7 - 4 = 3, write 3.
-   4 - 4 = 0, write 0.
Answer: 3


Question: What is 74 + 32?
Let's think step by step.
- Add ones: 4 + 2 = 6
- Add tens: 70 + 30 = 100
- Sum: 6 + 100 = 106
Answer: 106


Question: What is 99 - 6?
Let's think step by step.
-   9 - 6 = 3, write 3.
-   9 - 0 = 9, write 9.
Answer: 93


Question: What is 991 * 4?
Let's think step by step.
- 991 * 4 = (900 + 90 + 1) * 4 = 3600 + 360 + 4 = 3964
Answer: 3964


Question: What is 684 * 303?
Let's think step by step.
- 303 = 300 + 3
- 684 * 3 = (600 + 80 + 4) * 3 = 1800 + 240 + 12 = 2052
- 684 * 3 = (600 + 80 + 4) * 3 = 1800 + 240 + 12 = 2052, so 684 * 300 = 205200
- Sum: 2052 + 205200 = 207252
Answer: 207252


Question: What is 517 + 990?
Let's think step by step.
- Add ones: 7 + 0 = 7
- Add tens: 10 + 90 = 100
- Add hundreds: 500 + 900 = 1400
- Sum: 7 + 100 = 107
- Sum: 107 + 1400 = 1507
Answer: 1507


Question: What is 88 * 68?
Let's think step by step.
- 68 = 60 + 8
- 88 * 8 = (80 + 8) * 8 = 640 + 64 = 704
- 88 * 6 = (80 + 8) * 6 = 480 + 48 = 528, so 88 * 60 = 5280
- Sum: 704 + 5280 = 5984
Answer: 5984


Question: What is 578 * 93?
Let's think step by step.
- 93 = 90 + 3
- 578 * 3 = (500 + 70 + 8) * 3 = 1500 + 210 + 24 = 1734
- 578 * 9 = (500 + 70 + 8) * 9 = 4500 + 630 + 72 = 5202, so 578 * 90 = 52020
- Sum: 1734 + 52020 = 53754
Answer: 53754


Question: What is 823 - 233?
Let's think step by step.
-   3 - 3 = 0, write 0.
- 2nd digit from right: 2 < 3, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 3 = 9, write 9.
-   7 - 2 = 5, write 5.
Answer: 590


Question: What is 87 * 12?
Let's think step by step.
- 12 = 10 + 2
- 87 * 2 = (80 + 7) * 2 = 160 + 14 = 174
- 87 * 1 = (80 + 7) * 1 = 80 + 7 = 87, so 87 * 10 = 870
- Sum: 174 + 870 = 1044
Answer: 1044


Question: What is 32 + 17?
Let's think step by step.
- Add ones: 2 + 7 = 9
- Add tens: 30 + 10 = 40
- Sum: 9 + 40 = 49
Answer: 49


Question: What is 176 + 262?
Let's think step by step.
- Add ones: 6 + 2 = 8
- Add tens: 70 + 60 = 130
- Add hundreds: 100 + 200 = 300
- Sum: 8 + 130 = 138
- Sum: 138 + 300 = 438
Answer: 438


Question: What is 413 * 71?
Let's think step by step.
- 71 = 70 + 1
- 413 * 1 = (400 + 10 + 3) * 1 = 400 + 10 + 3 = 413
- 413 * 7 = (400 + 10 + 3) * 7 = 2800 + 70 + 21 = 2891, so 413 * 70 = 28910
- Sum: 413 + 28910 = 29323
Answer: 29323


Question: What is 65 * 17?
Let's think step by step.
- 17 = 10 + 7
- 65 * 7 = (60 + 5) * 7 = 420 + 35 = 455
- 65 * 1 = (60 + 5) * 1 = 60 + 5 = 65, so 65 * 10 = 650
- Sum: 455 + 650 = 1105
Answer: 1105


Question: What is 907 - 331?
Let's think step by step.
-   7 - 1 = 6, write 6.
- 2nd digit from right: 0 < 3, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 3 = 7, write 7.
-   8 - 3 = 5, write 5.
Answer: 576


Question: What is 134 * 7?
Let's think step by step.
- 134 * 7 = (100 + 30 + 4) * 7 = 700 + 210 + 28 = 938
Answer: 938


Question: What is 980 + 742?
Let's think step by step.
- Add ones: 0 + 2 = 2
- Add tens: 80 + 40 = 120
- Add hundreds: 900 + 700 = 1600
- Sum: 2 + 120 = 122
- Sum: 122 + 1600 = 1722
Answer: 1722


Question: What is 40 - 5?
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.
-   3 - 0 = 3, write 3.
Answer: 35


Question: What is 233 + 390?
Let's think step by step.
- Add ones: 3 + 0 = 3
- Add tens: 30 + 90 = 120
- Add hundreds: 200 + 300 = 500
- Sum: 3 + 120 = 123
- Sum: 123 + 500 = 623
Answer: 623


Question: What is 168 - 83?
Let's think step by step.
-   8 - 3 = 5, write 5.
- 2nd digit from right: 6 < 8, borrow 1 from the next digit: 6 + 10 = 16.
-   16 - 8 = 8, write 8.
-   0 - 0 = 0, write 0.
Answer: 85


Question: What is 59 * 26?
Let's think step by step.
- 26 = 20 + 6
- 59 * 6 = (50 + 9) * 6 = 300 + 54 = 354
- 59 * 2 = (50 + 9) * 2 = 100 + 18 = 118, so 59 * 20 = 1180
- Sum: 354 + 1180 = 1534
Answer: 1534


Question: What is 7142 - 6662?
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.
- 3rd digit from right: 0 < 6, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 6 = 4, write 4.
-   6 - 6 = 0, write 0.
Answer: 480


Question: What is 14 * 60?
Let's think step by step.
- 60 = 60
- 14 * 6 = (10 + 4) * 6 = 60 + 24 = 84, so 14 * 60 = 840
Answer: 840


Question: What is 55 - 55?
Let's think step by step.
-   5 - 5 = 0, write 0.
-   5 - 5 = 0, write 0.
Answer: 0


Question: What is 13 + 91?
Let's think step by step.
- Add ones: 3 + 1 = 4
- Add tens: 10 + 90 = 100
- Sum: 4 + 100 = 104
Answer: 104


Question: What is 2908 - 1491?
Let's think step by step.
-   8 - 1 = 7, write 7.
- 2nd digit from right: 0 < 9, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 9 = 1, write 1.
-   8 - 4 = 4, write 4.
-   2 - 1 = 1, write 1.
Answer: 1417


Question: What is 61 - 34?
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.
-   5 - 3 = 2, write 2.
Answer: 27


Question: What is 84 * 61?
Let's think step by step.
- 61 = 60 + 1
- 84 * 1 = (80 + 4) * 1 = 80 + 4 = 84
- 84 * 6 = (80 + 4) * 6 = 480 + 24 = 504, so 84 * 60 = 5040
- Sum: 84 + 5040 = 5124
Answer: 5124


Question: What is 182 * 82?
Let's think step by step.
- 82 = 80 + 2
- 182 * 2 = (100 + 80 + 2) * 2 = 200 + 160 + 4 = 364
- 182 * 8 = (100 + 80 + 2) * 8 = 800 + 640 + 16 = 1456, so 182 * 80 = 14560
- Sum: 364 + 14560 = 14924
Answer: 14924


Question: What is 30 + 28?
Let's think step by step.
- Add ones: 0 + 8 = 8
- Add tens: 30 + 20 = 50
- Sum: 8 + 50 = 58
Answer: 58


Question: What is 254 * 27?
Let's think step by step.
- 27 = 20 + 7
- 254 * 7 = (200 + 50 + 4) * 7 = 1400 + 350 + 28 = 1778
- 254 * 2 = (200 + 50 + 4) * 2 = 400 + 100 + 8 = 508, so 254 * 20 = 5080
- Sum: 1778 + 5080 = 6858
Answer: 6858


Question: What is 910 * 26?
Let's think step by step.
- 26 = 20 + 6
- 910 * 6 = (900 + 10) * 6 = 5400 + 60 = 5460
- 910 * 2 = (900 + 10) * 2 = 1800 + 20 = 1820, so 910 * 20 = 18200
- Sum: 5460 + 18200 = 23660
Answer: 23660


Question: What is 66 - 29?
Let's think step by step.
- 1st digit from right: 6 < 9, borrow 1 from the next digit: 6 + 10 = 16.
-   16 - 9 = 7, write 7.
-   5 - 2 = 3, write 3.
Answer: 37


Question: What is 45 * 75?
Let's think step by step.
- 75 = 70 + 5
- 45 * 5 = (40 + 5) * 5 = 200 + 25 = 225
- 45 * 7 = (40 + 5) * 7 = 280 + 35 = 315, so 45 * 70 = 3150
- Sum: 225 + 3150 = 3375
Answer: 3375


Question: What is 89 * 72?
Let's think step by step.
- 72 = 70 + 2
- 89 * 2 = (80 + 9) * 2 = 160 + 18 = 178
- 89 * 7 = (80 + 9) * 7 = 560 + 63 = 623, so 89 * 70 = 6230
- Sum: 178 + 6230 = 6408
Answer: 6408


Question: What is 855 * 826?
Let's think step by step.
- 826 = 800 + 20 + 6
- 855 * 6 = (800 + 50 + 5) * 6 = 4800 + 300 + 30 = 5130
- 855 * 2 = (800 + 50 + 5) * 2 = 1600 + 100 + 10 = 1710, so 855 * 20 = 17100
- 855 * 8 = (800 + 50 + 5) * 8 = 6400 + 400 + 40 = 6840, so 855 * 800 = 684000
- Sum: 5130 + 17100 = 22230
- Sum: 22230 + 684000 = 706230
Answer: 706230


Question: What is 98 - 84?
Let's think step by step.
-   8 - 4 = 4, write 4.
-   9 - 8 = 1, write 1.
Answer: 14


Question: What is 94 * 58?
Let's think step by step.
- 58 = 50 + 8
- 94 * 8 = (90 + 4) * 8 = 720 + 32 = 752
- 94 * 5 = (90 + 4) * 5 = 450 + 20 = 470, so 94 * 50 = 4700
- Sum: 752 + 4700 = 5452
Answer: 5452


Question: What is 494 + 572?
Let's think step by step.
- Add ones: 4 + 2 = 6
- Add tens: 90 + 70 = 160
- Add hundreds: 400 + 500 = 900
- Sum: 6 + 160 = 166
- Sum: 166 + 900 = 1066
Answer: 1066


Question: What is 866 - 650?
Let's think step by step.
-   6 - 0 = 6, write 6.
-   6 - 5 = 1, write 1.
-   8 - 6 = 2, write 2.
Answer: 216


Question: What is 635 + 151?
Let's think step by step.
- Add ones: 5 + 1 = 6
- Add tens: 30 + 50 = 80
- Add hundreds: 600 + 100 = 700
- Sum: 6 + 80 = 86
- Sum: 86 + 700 = 786
Answer: 786


Question: What is 836 - 617?
Let's think step by step.
- 1st digit from right: 6 < 7, borrow 1 from the next digit: 6 + 10 = 16.
-   16 - 7 = 9, write 9.
-   2 - 1 = 1, write 1.
-   8 - 6 = 2, write 2.
Answer: 219


Question: What is 64 + 24?
Let's think step by step.
- Add ones: 4 + 4 = 8
- Add tens: 60 + 20 = 80
- Sum: 8 + 80 = 88
Answer: 88


Question: What is 19 + 59?
Let's think step by step.
- Add ones: 9 + 9 = 18
- Add tens: 10 + 50 = 60
- Sum: 18 + 60 = 78
Answer: 78


Question: What is 273 + 946?
Let's think step by step.
- Add ones: 3 + 6 = 9
- Add tens: 70 + 40 = 110
- Add hundreds: 200 + 900 = 1100
- Sum: 9 + 110 = 119
- Sum: 119 + 1100 = 1219
Answer: 1219


Question: What is 482 * 59?
Let's think step by step.
- 59 = 50 + 9
- 482 * 9 = (400 + 80 + 2) * 9 = 3600 + 720 + 18 = 4338
- 482 * 5 = (400 + 80 + 2) * 5 = 2000 + 400 + 10 = 2410, so 482 * 50 = 24100
- Sum: 4338 + 24100 = 28438
Answer: 28438


Question: What is 666 + 760?
Let's think step by step.
- Add ones: 6 + 0 = 6
- Add tens: 60 + 60 = 120
- Add hundreds: 600 + 700 = 1300
- Sum: 6 + 120 = 126
- Sum: 126 + 1300 = 1426
Answer: 1426


Question: What is 644 + 121?
Let's think step by step.
- Add ones: 4 + 1 = 5
- Add tens: 40 + 20 = 60
- Add hundreds: 600 + 100 = 700
- Sum: 5 + 60 = 65
- Sum: 65 + 700 = 765
Answer: 765


Question: What is 833 - 166?
Let's think step by step.
- 1st digit from right: 3 < 6, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 6 = 7, write 7.
- 2nd digit from right: 2 < 6, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 6 = 6, write 6.
-   7 - 1 = 6, write 6.
Answer: 667


Question: What is 57 + 89?
Let's think step by step.
- Add ones: 7 + 9 = 16
- Add tens: 50 + 80 = 130
- Sum: 16 + 130 = 146
Answer: 146


Question: What is 299 * 29?
Let's think step by step.
- 29 = 20 + 9
- 299 * 9 = (200 + 90 + 9) * 9 = 1800 + 810 + 81 = 2691
- 299 * 2 = (200 + 90 + 9) * 2 = 400 + 180 + 18 = 598, so 299 * 20 = 5980
- Sum: 2691 + 5980 = 8671
Answer: 8671


Question: What is 854 + 163?
Let's think step by step.
- Add ones: 4 + 3 = 7
- Add tens: 50 + 60 = 110
- Add hundreds: 800 + 100 = 900
- Sum: 7 + 110 = 117
- Sum: 117 + 900 = 1017
Answer: 1017


Question: What is 687 - 559?
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.
-   7 - 5 = 2, write 2.
-   6 - 5 = 1, write 1.
Answer: 128


Question: What is 959 * 15?
Let's think step by step.
- 15 = 10 + 5
- 959 * 5 = (900 + 50 + 9) * 5 = 4500 + 250 + 45 = 4795
- 959 * 1 = (900 + 50 + 9) * 1 = 900 + 50 + 9 = 959, so 959 * 10 = 9590
- Sum: 4795 + 9590 = 14385
Answer: 14385


Question: What is 82 * 54?
Let's think step by step.
- 54 = 50 + 4
- 82 * 4 = (80 + 2) * 4 = 320 + 8 = 328
- 82 * 5 = (80 + 2) * 5 = 400 + 10 = 410, so 82 * 50 = 4100
- Sum: 328 + 4100 = 4428
Answer: 4428


Question: What is 5590 - 4749?
Let's think step by step.
- 1st digit from right: 0 < 9, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 9 = 1, write 1.
-   8 - 4 = 4, write 4.
- 3rd digit from right: 5 < 7, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 7 = 8, write 8.
-   4 - 4 = 0, write 0.
Answer: 841


Question: What is 96 + 16?
Let's think step by step.
- Add ones: 6 + 6 = 12
- Add tens: 90 + 10 = 100
- Sum: 12 + 100 = 112
Answer: 112


Question: What is 129 + 709?
Let's think step by step.
- Add ones: 9 + 9 = 18
- Add tens: 20 + 0 = 20
- Add hundreds: 100 + 700 = 800
- Sum: 18 + 20 = 38
- Sum: 38 + 800 = 838
Answer: 838


Question: What is 391 * 708?
Let's think step by step.
- 708 = 700 + 8
- 391 * 8 = (300 + 90 + 1) * 8 = 2400 + 720 + 8 = 3128
- 391 * 7 = (300 + 90 + 1) * 7 = 2100 + 630 + 7 = 2737, so 391 * 700 = 273700
- Sum: 3128 + 273700 = 276828
Answer: 276828


Question: What is 76 * 93?
Let's think step by step.
- 93 = 90 + 3
- 76 * 3 = (70 + 6) * 3 = 210 + 18 = 228
- 76 * 9 = (70 + 6) * 9 = 630 + 54 = 684, so 76 * 90 = 6840
- Sum: 228 + 6840 = 7068
Answer: 7068


Question: What is 745 * 6?
Let's think step by step.
- 745 * 6 = (700 + 40 + 5) * 6 = 4200 + 240 + 30 = 4470
Answer: 4470


Question: What is 76 - 60?
Let's think step by step.
-   6 - 0 = 6, write 6.
-   7 - 6 = 1, write 1.
Answer: 16


Question: What is 93 * 19?
Let's think step by step.
- 19 = 10 + 9
- 93 * 9 = (90 + 3) * 9 = 810 + 27 = 837
- 93 * 1 = (90 + 3) * 1 = 90 + 3 = 93, so 93 * 10 = 930
- Sum: 837 + 930 = 1767
Answer: 1767


Question: What is 903 * 488?
Let's think step by step.
- 488 = 400 + 80 + 8
- 903 * 8 = (900 + 3) * 8 = 7200 + 24 = 7224
- 903 * 8 = (900 + 3) * 8 = 7200 + 24 = 7224, so 903 * 80 = 72240
- 903 * 4 = (900 + 3) * 4 = 3600 + 12 = 3612, so 903 * 400 = 361200
- Sum: 7224 + 72240 = 79464
- Sum: 79464 + 361200 = 440664
Answer: 440664


Question: What is 50 * 27?
Let's think step by step.
- 27 = 20 + 7
- 50 * 7 = 350
- 50 * 2 = 100, so 50 * 20 = 1000
- Sum: 350 + 1000 = 1350
Answer: 1350


Question: What is 84 * 68?
Let's think step by step.
- 68 = 60 + 8
- 84 * 8 = (80 + 4) * 8 = 640 + 32 = 672
- 84 * 6 = (80 + 4) * 6 = 480 + 24 = 504, so 84 * 60 = 5040
- Sum: 672 + 5040 = 5712
Answer: 5712


Question: What is 939 * 9?
Let's think step by step.
- 939 * 9 = (900 + 30 + 9) * 9 = 8100 + 270 + 81 = 8451
Answer: 8451


Question: What is 569 + 736?
Let's think step by step.
- Add ones: 9 + 6 = 15
- Add tens: 60 + 30 = 90
- Add hundreds: 500 + 700 = 1200
- Sum: 15 + 90 = 105
- Sum: 105 + 1200 = 1305
Answer: 1305


Question: What is 69 * 26?
Let's think step by step.
- 26 = 20 + 6
- 69 * 6 = (60 + 9) * 6 = 360 + 54 = 414
- 69 * 2 = (60 + 9) * 2 = 120 + 18 = 138, so 69 * 20 = 1380
- Sum: 414 + 1380 = 1794
Answer: 1794


Question: What is 77 + 66?
Let's think step by step.
- Add ones: 7 + 6 = 13
- Add tens: 70 + 60 = 130
- Sum: 13 + 130 = 143
Answer: 143


Question: What is 223 * 6?
Let's think step by step.
- 223 * 6 = (200 + 20 + 3) * 6 = 1200 + 120 + 18 = 1338
Answer: 1338


Question: What is 36 + 47?
Let's think step by step.
- Add ones: 6 + 7 = 13
- Add tens: 30 + 40 = 70
- Sum: 13 + 70 = 83
Answer: 83


Question: What is 962 * 60?
Let's think step by step.
- 60 = 60
- 962 * 6 = (900 + 60 + 2) * 6 = 5400 + 360 + 12 = 5772, so 962 * 60 = 57720
Answer: 57720


Question: What is 69 + 14?
Let's think step by step.
- Add ones: 9 + 4 = 13
- Add tens: 60 + 10 = 70
- Sum: 13 + 70 = 83
Answer: 83


Question: What is 8797 - 6828?
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.
-   8 - 2 = 6, write 6.
- 3rd digit from right: 7 < 8, borrow 1 from the next digit: 7 + 10 = 17.
-   17 - 8 = 9, write 9.
-   7 - 6 = 1, write 1.
Answer: 1969


Question: What is 419 * 94?
Let's think step by step.
- 94 = 90 + 4
- 419 * 4 = (400 + 10 + 9) * 4 = 1600 + 40 + 36 = 1676
- 419 * 9 = (400 + 10 + 9) * 9 = 3600 + 90 + 81 = 3771, so 419 * 90 = 37710
- Sum: 1676 + 37710 = 39386
Answer: 39386


Question: What is 903 - 176?
Let's think step by step.
- 1st digit from right: 3 < 6, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 6 = 7, write 7.
- 2nd digit from right: reduced to -1 by the previous borrow; -1 < 7, so borrow again: -1 + 10 = 9.
-   9 - 7 = 2, write 2.
-   8 - 1 = 7, write 7.
Answer: 727


Question: What is 728 + 175?
Let's think step by step.
- Add ones: 8 + 5 = 13
- Add tens: 20 + 70 = 90
- Add hundreds: 700 + 100 = 800
- Sum: 13 + 90 = 103
- Sum: 103 + 800 = 903
Answer: 903


Question: What is 430 - 245?
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: 2 < 4, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 4 = 8, write 8.
-   3 - 2 = 1, write 1.
Answer: 185


Question: What is 89 - 69?
Let's think step by step.
-   9 - 9 = 0, write 0.
-   8 - 6 = 2, write 2.
Answer: 20


Question: What is 27 * 90?
Let's think step by step.
- 90 = 90
- 27 * 9 = (20 + 7) * 9 = 180 + 63 = 243, so 27 * 90 = 2430
Answer: 2430


Question: What is 90 - 28?
Let's think step by step.
- 1st digit from right: 0 < 8, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 8 = 2, write 2.
-   8 - 2 = 6, write 6.
Answer: 62


Question: What is 17 * 96?
Let's think step by step.
- 96 = 90 + 6
- 17 * 6 = (10 + 7) * 6 = 60 + 42 = 102
- 17 * 9 = (10 + 7) * 9 = 90 + 63 = 153, so 17 * 90 = 1530
- Sum: 102 + 1530 = 1632
Answer: 1632


Question: What is 837 * 91?
Let's think step by step.
- 91 = 90 + 1
- 837 * 1 = (800 + 30 + 7) * 1 = 800 + 30 + 7 = 837
- 837 * 9 = (800 + 30 + 7) * 9 = 7200 + 270 + 63 = 7533, so 837 * 90 = 75330
- Sum: 837 + 75330 = 76167
Answer: 76167


Question: What is 377 * 3?
Let's think step by step.
- 377 * 3 = (300 + 70 + 7) * 3 = 900 + 210 + 21 = 1131
Answer: 1131


Question: What is 75 * 79?
Let's think step by step.
- 79 = 70 + 9
- 75 * 9 = (70 + 5) * 9 = 630 + 45 = 675
- 75 * 7 = (70 + 5) * 7 = 490 + 35 = 525, so 75 * 70 = 5250
- Sum: 675 + 5250 = 5925
Answer: 5925


Question: What is 173 * 9?
Let's think step by step.
- 173 * 9 = (100 + 70 + 3) * 9 = 900 + 630 + 27 = 1557
Answer: 1557


Question: What is 950 - 268?
Let's think step by step.
- 1st digit from right: 0 < 8, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 8 = 2, write 2.
- 2nd digit from right: 4 < 6, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 6 = 8, write 8.
-   8 - 2 = 6, write 6.
Answer: 682


Question: What is 42 + 97?
Let's think step by step.
- Add ones: 2 + 7 = 9
- Add tens: 40 + 90 = 130
- Sum: 9 + 130 = 139
Answer: 139


Question: What is 9553 - 8369?
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: 4 < 6, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 6 = 8, write 8.
-   4 - 3 = 1, write 1.
-   9 - 8 = 1, write 1.
Answer: 1184


Question: What is 837 + 348?
Let's think step by step.
- Add ones: 7 + 8 = 15
- Add tens: 30 + 40 = 70
- Add hundreds: 800 + 300 = 1100
- Sum: 15 + 70 = 85
- Sum: 85 + 1100 = 1185
Answer: 1185


Question: What is 197 * 779?
Let's think step by step.
- 779 = 700 + 70 + 9
- 197 * 9 = (100 + 90 + 7) * 9 = 900 + 810 + 63 = 1773
- 197 * 7 = (100 + 90 + 7) * 7 = 700 + 630 + 49 = 1379, so 197 * 70 = 13790
- 197 * 7 = (100 + 90 + 7) * 7 = 700 + 630 + 49 = 1379, so 197 * 700 = 137900
- Sum: 1773 + 13790 = 15563
- Sum: 15563 + 137900 = 153463
Answer: 153463


Question: What is 3313 - 2095?
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: 0 < 9, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 9 = 1, write 1.
-   2 - 0 = 2, write 2.
-   3 - 2 = 1, write 1.
Answer: 1218


Question: What is 859 - 237?
Let's think step by step.
-   9 - 7 = 2, write 2.
-   5 - 3 = 2, write 2.
-   8 - 2 = 6, write 6.
Answer: 622


Question: What is 83 + 82?
Let's think step by step.
- Add ones: 3 + 2 = 5
- Add tens: 80 + 80 = 160
- Sum: 5 + 160 = 165
Answer: 165


Question: What is 75 * 15?
Let's think step by step.
- 15 = 10 + 5
- 75 * 5 = (70 + 5) * 5 = 350 + 25 = 375
- 75 * 1 = (70 + 5) * 1 = 70 + 5 = 75, so 75 * 10 = 750
- Sum: 375 + 750 = 1125
Answer: 1125


Question: What is 142 + 786?
Let's think step by step.
- Add ones: 2 + 6 = 8
- Add tens: 40 + 80 = 120
- Add hundreds: 100 + 700 = 800
- Sum: 8 + 120 = 128
- Sum: 128 + 800 = 928
Answer: 928


Question: What is 942 * 93?
Let's think step by step.
- 93 = 90 + 3
- 942 * 3 = (900 + 40 + 2) * 3 = 2700 + 120 + 6 = 2826
- 942 * 9 = (900 + 40 + 2) * 9 = 8100 + 360 + 18 = 8478, so 942 * 90 = 84780
- Sum: 2826 + 84780 = 87606
Answer: 87606


Question: What is 5870 - 3403?
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.
-   6 - 0 = 6, write 6.
-   8 - 4 = 4, write 4.
-   5 - 3 = 2, write 2.
Answer: 2467


Question: What is 18 - 13?
Let's think step by step.
-   8 - 3 = 5, write 5.
-   1 - 1 = 0, write 0.
Answer: 5


Question: What is 691 - 486?
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.
-   8 - 8 = 0, write 0.
-   6 - 4 = 2, write 2.
Answer: 205


Question: What is 744 * 920?
Let's think step by step.
- 920 = 900 + 20
- 744 * 2 = (700 + 40 + 4) * 2 = 1400 + 80 + 8 = 1488, so 744 * 20 = 14880
- 744 * 9 = (700 + 40 + 4) * 9 = 6300 + 360 + 36 = 6696, so 744 * 900 = 669600
- Sum: 14880 + 669600 = 684480
Answer: 684480


Question: What is 29 - 8?
Let's think step by step.
-   9 - 8 = 1, write 1.
-   2 - 0 = 2, write 2.
Answer: 21


Question: What is 418 + 966?
Let's think step by step.
- Add ones: 8 + 6 = 14
- Add tens: 10 + 60 = 70
- Add hundreds: 400 + 900 = 1300
- Sum: 14 + 70 = 84
- Sum: 84 + 1300 = 1384
Answer: 1384


Question: What is 9748 - 6706?
Let's think step by step.
-   8 - 6 = 2, write 2.
-   4 - 0 = 4, write 4.
-   7 - 7 = 0, write 0.
-   9 - 6 = 3, write 3.
Answer: 3042


Question: What is 31 * 48?
Let's think step by step.
- 48 = 40 + 8
- 31 * 8 = (30 + 1) * 8 = 240 + 8 = 248
- 31 * 4 = (30 + 1) * 4 = 120 + 4 = 124, so 31 * 40 = 1240
- Sum: 248 + 1240 = 1488
Answer: 1488


Question: What is 788 * 69?
Let's think step by step.
- 69 = 60 + 9
- 788 * 9 = (700 + 80 + 8) * 9 = 6300 + 720 + 72 = 7092
- 788 * 6 = (700 + 80 + 8) * 6 = 4200 + 480 + 48 = 4728, so 788 * 60 = 47280
- Sum: 7092 + 47280 = 54372
Answer: 54372


Question: What is 899 + 358?
Let's think step by step.
- Add ones: 9 + 8 = 17
- Add tens: 90 + 50 = 140
- Add hundreds: 800 + 300 = 1100
- Sum: 17 + 140 = 157
- Sum: 157 + 1100 = 1257
Answer: 1257


Question: What is 449 + 379?
Let's think step by step.
- Add ones: 9 + 9 = 18
- Add tens: 40 + 70 = 110
- Add hundreds: 400 + 300 = 700
- Sum: 18 + 110 = 128
- Sum: 128 + 700 = 828
Answer: 828


Question: What is 737 + 438?
Let's think step by step.
- Add ones: 7 + 8 = 15
- Add tens: 30 + 30 = 60
- Add hundreds: 700 + 400 = 1100
- Sum: 15 + 60 = 75
- Sum: 75 + 1100 = 1175
Answer: 1175


Question: What is 7279 - 2408?
Let's think step by step.
-   9 - 8 = 1, write 1.
-   7 - 0 = 7, write 7.
- 3rd digit from right: 2 < 4, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 4 = 8, write 8.
-   6 - 2 = 4, write 4.
Answer: 4871


Question: What is 42 + 57?
Let's think step by step.
- Add ones: 2 + 7 = 9
- Add tens: 40 + 50 = 90
- Sum: 9 + 90 = 99
Answer: 99


Question: What is 6396 - 3849?
Let's think step by step.
- 1st digit from right: 6 < 9, borrow 1 from the next digit: 6 + 10 = 16.
-   16 - 9 = 7, write 7.
-   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.
-   5 - 3 = 2, write 2.
Answer: 2547


Question: What is 6893 - 934?
Let's think step by step.
- 1st digit from right: 3 < 4, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 4 = 9, write 9.
-   8 - 3 = 5, write 5.
- 3rd digit from right: 8 < 9, borrow 1 from the next digit: 8 + 10 = 18.
-   18 - 9 = 9, write 9.
-   5 - 0 = 5, write 5.
Answer: 5959


Question: What is 21 * 60?
Let's think step by step.
- 60 = 60
- 21 * 6 = (20 + 1) * 6 = 120 + 6 = 126, so 21 * 60 = 1260
Answer: 1260


Question: What is 782 * 16?
Let's think step by step.
- 16 = 10 + 6
- 782 * 6 = (700 + 80 + 2) * 6 = 4200 + 480 + 12 = 4692
- 782 * 1 = (700 + 80 + 2) * 1 = 700 + 80 + 2 = 782, so 782 * 10 = 7820
- Sum: 4692 + 7820 = 12512
Answer: 12512


Question: What is 70 - 64?
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.
Answer: 6


Question: What is 676 * 596?
Let's think step by step.
- 596 = 500 + 90 + 6
- 676 * 6 = (600 + 70 + 6) * 6 = 3600 + 420 + 36 = 4056
- 676 * 9 = (600 + 70 + 6) * 9 = 5400 + 630 + 54 = 6084, so 676 * 90 = 60840
- 676 * 5 = (600 + 70 + 6) * 5 = 3000 + 350 + 30 = 3380, so 676 * 500 = 338000
- Sum: 4056 + 60840 = 64896
- Sum: 64896 + 338000 = 402896
Answer: 402896


Question: What is 66 * 93?
Let's think step by step.
- 93 = 90 + 3
- 66 * 3 = (60 + 6) * 3 = 180 + 18 = 198
- 66 * 9 = (60 + 6) * 9 = 540 + 54 = 594, so 66 * 90 = 5940
- Sum: 198 + 5940 = 6138
Answer: 6138


Question: What is 94 - 12?
Let's think step by step.
-   4 - 2 = 2, write 2.
-   9 - 1 = 8, write 8.
Answer: 82


Question: What is 725 * 66?
Let's think step by step.
- 66 = 60 + 6
- 725 * 6 = (700 + 20 + 5) * 6 = 4200 + 120 + 30 = 4350
- 725 * 6 = (700 + 20 + 5) * 6 = 4200 + 120 + 30 = 4350, so 725 * 60 = 43500
- Sum: 4350 + 43500 = 47850
Answer: 47850


Question: What is 361 * 371?
Let's think step by step.
- 371 = 300 + 70 + 1
- 361 * 1 = (300 + 60 + 1) * 1 = 300 + 60 + 1 = 361
- 361 * 7 = (300 + 60 + 1) * 7 = 2100 + 420 + 7 = 2527, so 361 * 70 = 25270
- 361 * 3 = (300 + 60 + 1) * 3 = 900 + 180 + 3 = 1083, so 361 * 300 = 108300
- Sum: 361 + 25270 = 25631
- Sum: 25631 + 108300 = 133931
Answer: 133931


Question: What is 657 + 484?
Let's think step by step.
- Add ones: 7 + 4 = 11
- Add tens: 50 + 80 = 130
- Add hundreds: 600 + 400 = 1000
- Sum: 11 + 130 = 141
- Sum: 141 + 1000 = 1141
Answer: 1141


Question: What is 15 + 33?
Let's think step by step.
- Add ones: 5 + 3 = 8
- Add tens: 10 + 30 = 40
- Sum: 8 + 40 = 48
Answer: 48


Question: What is 18 - 15?
Let's think step by step.
-   8 - 5 = 3, write 3.
-   1 - 1 = 0, write 0.
Answer: 3


Question: What is 30 * 63?
Let's think step by step.
- 63 = 60 + 3
- 30 * 3 = 90
- 30 * 6 = 180, so 30 * 60 = 1800
- Sum: 90 + 1800 = 1890
Answer: 1890


Question: What is 661 * 2?
Let's think step by step.
- 661 * 2 = (600 + 60 + 1) * 2 = 1200 + 120 + 2 = 1322
Answer: 1322


Question: What is 20 + 79?
Let's think step by step.
- Add ones: 0 + 9 = 9
- Add tens: 20 + 70 = 90
- Sum: 9 + 90 = 99
Answer: 99


Question: What is 27 + 25?
Let's think step by step.
- Add ones: 7 + 5 = 12
- Add tens: 20 + 20 = 40
- Sum: 12 + 40 = 52
Answer: 52


Question: What is 77 + 98?
Let's think step by step.
- Add ones: 7 + 8 = 15
- Add tens: 70 + 90 = 160
- Sum: 15 + 160 = 175
Answer: 175


Question: What is 534 - 19?
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.
-   2 - 1 = 1, write 1.
-   5 - 0 = 5, write 5.
Answer: 515


Question: What is 71 + 12?
Let's think step by step.
- Add ones: 1 + 2 = 3
- Add tens: 70 + 10 = 80
- Sum: 3 + 80 = 83
Answer: 83


Question: What is 825 + 263?
Let's think step by step.
- Add ones: 5 + 3 = 8
- Add tens: 20 + 60 = 80
- Add hundreds: 800 + 200 = 1000
- Sum: 8 + 80 = 88
- Sum: 88 + 1000 = 1088
Answer: 1088


Question: What is 196 * 2?
Let's think step by step.
- 196 * 2 = (100 + 90 + 6) * 2 = 200 + 180 + 12 = 392
Answer: 392


Question: What is 132 + 329?
Let's think step by step.
- Add ones: 2 + 9 = 11
- Add tens: 30 + 20 = 50
- Add hundreds: 100 + 300 = 400
- Sum: 11 + 50 = 61
- Sum: 61 + 400 = 461
Answer: 461


Question: What is 51 * 97?
Let's think step by step.
- 97 = 90 + 7
- 51 * 7 = (50 + 1) * 7 = 350 + 7 = 357
- 51 * 9 = (50 + 1) * 9 = 450 + 9 = 459, so 51 * 90 = 4590
- Sum: 357 + 4590 = 4947
Answer: 4947


Question: What is 908 - 426?
Let's think step by step.
-   8 - 6 = 2, write 2.
- 2nd digit from right: 0 < 2, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 2 = 8, write 8.
-   8 - 4 = 4, write 4.
Answer: 482


Question: What is 960 - 752?
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.
-   5 - 5 = 0, write 0.
-   9 - 7 = 2, write 2.
Answer: 208


Question: What is 36 + 90?
Let's think step by step.
- Add ones: 6 + 0 = 6
- Add tens: 30 + 90 = 120
- Sum: 6 + 120 = 126
Answer: 126


Question: What is 60 * 60?
Let's think step by step.
- 60 = 60
- 60 * 6 = 360, so 60 * 60 = 3600
Answer: 3600


Question: What is 93 - 2?
Let's think step by step.
-   3 - 2 = 1, write 1.
-   9 - 0 = 9, write 9.
Answer: 91


Question: What is 749 + 213?
Let's think step by step.
- Add ones: 9 + 3 = 12
- Add tens: 40 + 10 = 50
- Add hundreds: 700 + 200 = 900
- Sum: 12 + 50 = 62
- Sum: 62 + 900 = 962
Answer: 962


Question: What is 10 * 41?
Let's think step by step.
- 41 = 40 + 1
- 10 * 1 = 10
- 10 * 4 = 40, so 10 * 40 = 400
- Sum: 10 + 400 = 410
Answer: 410


Question: What is 62 * 87?
Let's think step by step.
- 87 = 80 + 7
- 62 * 7 = (60 + 2) * 7 = 420 + 14 = 434
- 62 * 8 = (60 + 2) * 8 = 480 + 16 = 496, so 62 * 80 = 4960
- Sum: 434 + 4960 = 5394
Answer: 5394


Question: What is 275 - 59?
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.
-   6 - 5 = 1, write 1.
-   2 - 0 = 2, write 2.
Answer: 216


Question: What is 7149 - 2372?
Let's think step by step.
-   9 - 2 = 7, write 7.
- 2nd digit from right: 4 < 7, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 7 = 7, write 7.
- 3rd digit from right: 0 < 3, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 3 = 7, write 7.
-   6 - 2 = 4, write 4.
Answer: 4777


Question: What is 639 * 64?
Let's think step by step.
- 64 = 60 + 4
- 639 * 4 = (600 + 30 + 9) * 4 = 2400 + 120 + 36 = 2556
- 639 * 6 = (600 + 30 + 9) * 6 = 3600 + 180 + 54 = 3834, so 639 * 60 = 38340
- Sum: 2556 + 38340 = 40896
Answer: 40896


Question: What is 592 * 283?
Let's think step by step.
- 283 = 200 + 80 + 3
- 592 * 3 = (500 + 90 + 2) * 3 = 1500 + 270 + 6 = 1776
- 592 * 8 = (500 + 90 + 2) * 8 = 4000 + 720 + 16 = 4736, so 592 * 80 = 47360
- 592 * 2 = (500 + 90 + 2) * 2 = 1000 + 180 + 4 = 1184, so 592 * 200 = 118400
- Sum: 1776 + 47360 = 49136
- Sum: 49136 + 118400 = 167536
Answer: 167536


Question: What is 402 * 60?
Let's think step by step.
- 60 = 60
- 402 * 6 = (400 + 2) * 6 = 2400 + 12 = 2412, so 402 * 60 = 24120
Answer: 24120


Question: What is 37 * 56?
Let's think step by step.
- 56 = 50 + 6
- 37 * 6 = (30 + 7) * 6 = 180 + 42 = 222
- 37 * 5 = (30 + 7) * 5 = 150 + 35 = 185, so 37 * 50 = 1850
- Sum: 222 + 1850 = 2072
Answer: 2072


Question: What is 42 * 13?
Let's think step by step.
- 13 = 10 + 3
- 42 * 3 = (40 + 2) * 3 = 120 + 6 = 126
- 42 * 1 = (40 + 2) * 1 = 40 + 2 = 42, so 42 * 10 = 420
- Sum: 126 + 420 = 546
Answer: 546


Question: What is 690 * 4?
Let's think step by step.
- 690 * 4 = (600 + 90) * 4 = 2400 + 360 = 2760
Answer: 2760


Question: What is 75 + 10?
Let's think step by step.
- Add ones: 5 + 0 = 5
- Add tens: 70 + 10 = 80
- Sum: 5 + 80 = 85
Answer: 85


Question: What is 375 + 527?
Let's think step by step.
- Add ones: 5 + 7 = 12
- Add tens: 70 + 20 = 90
- Add hundreds: 300 + 500 = 800
- Sum: 12 + 90 = 102
- Sum: 102 + 800 = 902
Answer: 902


Question: What is 659 * 49?
Let's think step by step.
- 49 = 40 + 9
- 659 * 9 = (600 + 50 + 9) * 9 = 5400 + 450 + 81 = 5931
- 659 * 4 = (600 + 50 + 9) * 4 = 2400 + 200 + 36 = 2636, so 659 * 40 = 26360
- Sum: 5931 + 26360 = 32291
Answer: 32291


Question: What is 27 * 19?
Let's think step by step.
- 19 = 10 + 9
- 27 * 9 = (20 + 7) * 9 = 180 + 63 = 243
- 27 * 1 = (20 + 7) * 1 = 20 + 7 = 27, so 27 * 10 = 270
- Sum: 243 + 270 = 513
Answer: 513


Question: What is 524 - 353?
Let's think step by step.
-   4 - 3 = 1, write 1.
- 2nd digit from right: 2 < 5, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 5 = 7, write 7.
-   4 - 3 = 1, write 1.
Answer: 171


Question: What is 85 - 51?
Let's think step by step.
-   5 - 1 = 4, write 4.
-   8 - 5 = 3, write 3.
Answer: 34


Question: What is 64 - 8?
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.
-   5 - 0 = 5, write 5.
Answer: 56


Question: What is 85 * 33?
Let's think step by step.
- 33 = 30 + 3
- 85 * 3 = (80 + 5) * 3 = 240 + 15 = 255
- 85 * 3 = (80 + 5) * 3 = 240 + 15 = 255, so 85 * 30 = 2550
- Sum: 255 + 2550 = 2805
Answer: 2805


Question: What is 13 - 13?
Let's think step by step.
-   3 - 3 = 0, write 0.
-   1 - 1 = 0, write 0.
Answer: 0


Question: What is 488 + 932?
Let's think step by step.
- Add ones: 8 + 2 = 10
- Add tens: 80 + 30 = 110
- Add hundreds: 400 + 900 = 1300
- Sum: 10 + 110 = 120
- Sum: 120 + 1300 = 1420
Answer: 1420


Question: What is 728 - 495?
Let's think step by step.
-   8 - 5 = 3, write 3.
- 2nd digit from right: 2 < 9, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 9 = 3, write 3.
-   6 - 4 = 2, write 2.
Answer: 233


Question: What is 9717 - 5790?
Let's think step by step.
-   7 - 0 = 7, write 7.
- 2nd digit from right: 1 < 9, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 9 = 2, write 2.
- 3rd digit from right: 6 < 7, borrow 1 from the next digit: 6 + 10 = 16.
-   16 - 7 = 9, write 9.
-   8 - 5 = 3, write 3.
Answer: 3927


Question: What is 578 * 15?
Let's think step by step.
- 15 = 10 + 5
- 578 * 5 = (500 + 70 + 8) * 5 = 2500 + 350 + 40 = 2890
- 578 * 1 = (500 + 70 + 8) * 1 = 500 + 70 + 8 = 578, so 578 * 10 = 5780
- Sum: 2890 + 5780 = 8670
Answer: 8670


Question: What is 7731 - 1210?
Let's think step by step.
-   1 - 0 = 1, write 1.
-   3 - 1 = 2, write 2.
-   7 - 2 = 5, write 5.
-   7 - 1 = 6, write 6.
Answer: 6521


Question: What is 38 * 45?
Let's think step by step.
- 45 = 40 + 5
- 38 * 5 = (30 + 8) * 5 = 150 + 40 = 190
- 38 * 4 = (30 + 8) * 4 = 120 + 32 = 152, so 38 * 40 = 1520
- Sum: 190 + 1520 = 1710
Answer: 1710


Question: What is 689 * 31?
Let's think step by step.
- 31 = 30 + 1
- 689 * 1 = (600 + 80 + 9) * 1 = 600 + 80 + 9 = 689
- 689 * 3 = (600 + 80 + 9) * 3 = 1800 + 240 + 27 = 2067, so 689 * 30 = 20670
- Sum: 689 + 20670 = 21359
Answer: 21359


Question: What is 80 + 74?
Let's think step by step.
- Add ones: 0 + 4 = 4
- Add tens: 80 + 70 = 150
- Sum: 4 + 150 = 154
Answer: 154


Question: What is 278 + 424?
Let's think step by step.
- Add ones: 8 + 4 = 12
- Add tens: 70 + 20 = 90
- Add hundreds: 200 + 400 = 600
- Sum: 12 + 90 = 102
- Sum: 102 + 600 = 702
Answer: 702


Question: What is 45 * 54?
Let's think step by step.
- 54 = 50 + 4
- 45 * 4 = (40 + 5) * 4 = 160 + 20 = 180
- 45 * 5 = (40 + 5) * 5 = 200 + 25 = 225, so 45 * 50 = 2250
- Sum: 180 + 2250 = 2430
Answer: 2430


Question: What is 29 * 43?
Let's think step by step.
- 43 = 40 + 3
- 29 * 3 = (20 + 9) * 3 = 60 + 27 = 87
- 29 * 4 = (20 + 9) * 4 = 80 + 36 = 116, so 29 * 40 = 1160
- Sum: 87 + 1160 = 1247
Answer: 1247


Question: What is 846 + 585?
Let's think step by step.
- Add ones: 6 + 5 = 11
- Add tens: 40 + 80 = 120
- Add hundreds: 800 + 500 = 1300
- Sum: 11 + 120 = 131
- Sum: 131 + 1300 = 1431
Answer: 1431


Question: What is 49 * 78?
Let's think step by step.
- 78 = 70 + 8
- 49 * 8 = (40 + 9) * 8 = 320 + 72 = 392
- 49 * 7 = (40 + 9) * 7 = 280 + 63 = 343, so 49 * 70 = 3430
- Sum: 392 + 3430 = 3822
Answer: 3822


Question: What is 47 + 53?
Let's think step by step.
- Add ones: 7 + 3 = 10
- Add tens: 40 + 50 = 90
- Sum: 10 + 90 = 100
Answer: 100


Question: What is 25 + 85?
Let's think step by step.
- Add ones: 5 + 5 = 10
- Add tens: 20 + 80 = 100
- Sum: 10 + 100 = 110
Answer: 110


Question: What is 831 + 628?
Let's think step by step.
- Add ones: 1 + 8 = 9
- Add tens: 30 + 20 = 50
- Add hundreds: 800 + 600 = 1400
- Sum: 9 + 50 = 59
- Sum: 59 + 1400 = 1459
Answer: 1459


Question: What is 513 * 23?
Let's think step by step.
- 23 = 20 + 3
- 513 * 3 = (500 + 10 + 3) * 3 = 1500 + 30 + 9 = 1539
- 513 * 2 = (500 + 10 + 3) * 2 = 1000 + 20 + 6 = 1026, so 513 * 20 = 10260
- Sum: 1539 + 10260 = 11799
Answer: 11799


Question: What is 60 * 78?
Let's think step by step.
- 78 = 70 + 8
- 60 * 8 = 480
- 60 * 7 = 420, so 60 * 70 = 4200
- Sum: 480 + 4200 = 4680
Answer: 4680


Question: What is 764 - 387?
Let's think step by step.
- 1st digit from right: 4 < 7, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 7 = 7, write 7.
- 2nd digit from right: 5 < 8, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 8 = 7, write 7.
-   6 - 3 = 3, write 3.
Answer: 377


Question: What is 517 + 445?
Let's think step by step.
- Add ones: 7 + 5 = 12
- Add tens: 10 + 40 = 50
- Add hundreds: 500 + 400 = 900
- Sum: 12 + 50 = 62
- Sum: 62 + 900 = 962
Answer: 962


Question: What is 233 * 531?
Let's think step by step.
- 531 = 500 + 30 + 1
- 233 * 1 = (200 + 30 + 3) * 1 = 200 + 30 + 3 = 233
- 233 * 3 = (200 + 30 + 3) * 3 = 600 + 90 + 9 = 699, so 233 * 30 = 6990
- 233 * 5 = (200 + 30 + 3) * 5 = 1000 + 150 + 15 = 1165, so 233 * 500 = 116500
- Sum: 233 + 6990 = 7223
- Sum: 7223 + 116500 = 123723
Answer: 123723


Question: What is 865 * 30?
Let's think step by step.
- 30 = 30
- 865 * 3 = (800 + 60 + 5) * 3 = 2400 + 180 + 15 = 2595, so 865 * 30 = 25950
Answer: 25950


Question: What is 526 - 38?
Let's think step by step.
- 1st digit from right: 6 < 8, borrow 1 from the next digit: 6 + 10 = 16.
-   16 - 8 = 8, write 8.
- 2nd digit from right: 1 < 3, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 3 = 8, write 8.
-   4 - 0 = 4, write 4.
Answer: 488


Question: What is 9988 - 8045?
Let's think step by step.
-   8 - 5 = 3, write 3.
-   8 - 4 = 4, write 4.
-   9 - 0 = 9, write 9.
-   9 - 8 = 1, write 1.
Answer: 1943


Question: What is 369 * 64?
Let's think step by step.
- 64 = 60 + 4
- 369 * 4 = (300 + 60 + 9) * 4 = 1200 + 240 + 36 = 1476
- 369 * 6 = (300 + 60 + 9) * 6 = 1800 + 360 + 54 = 2214, so 369 * 60 = 22140
- Sum: 1476 + 22140 = 23616
Answer: 23616


Question: What is 859 - 276?
Let's think step by step.
-   9 - 6 = 3, write 3.
- 2nd digit from right: 5 < 7, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 7 = 8, write 8.
-   7 - 2 = 5, write 5.
Answer: 583


Question: What is 733 * 93?
Let's think step by step.
- 93 = 90 + 3
- 733 * 3 = (700 + 30 + 3) * 3 = 2100 + 90 + 9 = 2199
- 733 * 9 = (700 + 30 + 3) * 9 = 6300 + 270 + 27 = 6597, so 733 * 90 = 65970
- Sum: 2199 + 65970 = 68169
Answer: 68169


Question: What is 68 * 77?
Let's think step by step.
- 77 = 70 + 7
- 68 * 7 = (60 + 8) * 7 = 420 + 56 = 476
- 68 * 7 = (60 + 8) * 7 = 420 + 56 = 476, so 68 * 70 = 4760
- Sum: 476 + 4760 = 5236
Answer: 5236


Question: What is 72 * 82?
Let's think step by step.
- 82 = 80 + 2
- 72 * 2 = (70 + 2) * 2 = 140 + 4 = 144
- 72 * 8 = (70 + 2) * 8 = 560 + 16 = 576, so 72 * 80 = 5760
- Sum: 144 + 5760 = 5904
Answer: 5904


Question: What is 315 * 206?
Let's think step by step.
- 206 = 200 + 6
- 315 * 6 = (300 + 10 + 5) * 6 = 1800 + 60 + 30 = 1890
- 315 * 2 = (300 + 10 + 5) * 2 = 600 + 20 + 10 = 630, so 315 * 200 = 63000
- Sum: 1890 + 63000 = 64890
Answer: 64890


Question: What is 623 - 571?
Let's think step by step.
-   3 - 1 = 2, write 2.
- 2nd digit from right: 2 < 7, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 7 = 5, write 5.
-   5 - 5 = 0, write 0.
Answer: 52


Question: What is 321 + 748?
Let's think step by step.
- Add ones: 1 + 8 = 9
- Add tens: 20 + 40 = 60
- Add hundreds: 300 + 700 = 1000
- Sum: 9 + 60 = 69
- Sum: 69 + 1000 = 1069
Answer: 1069


Question: What is 815 * 68?
Let's think step by step.
- 68 = 60 + 8
- 815 * 8 = (800 + 10 + 5) * 8 = 6400 + 80 + 40 = 6520
- 815 * 6 = (800 + 10 + 5) * 6 = 4800 + 60 + 30 = 4890, so 815 * 60 = 48900
- Sum: 6520 + 48900 = 55420
Answer: 55420


Question: What is 849 + 135?
Let's think step by step.
- Add ones: 9 + 5 = 14
- Add tens: 40 + 30 = 70
- Add hundreds: 800 + 100 = 900
- Sum: 14 + 70 = 84
- Sum: 84 + 900 = 984
Answer: 984


Question: What is 53 + 97?
Let's think step by step.
- Add ones: 3 + 7 = 10
- Add tens: 50 + 90 = 140
- Sum: 10 + 140 = 150
Answer: 150


Question: What is 521 + 387?
Let's think step by step.
- Add ones: 1 + 7 = 8
- Add tens: 20 + 80 = 100
- Add hundreds: 500 + 300 = 800
- Sum: 8 + 100 = 108
- Sum: 108 + 800 = 908
Answer: 908


Question: What is 50 - 17?
Let's think step by step.
- 1st digit from right: 0 < 7, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 7 = 3, write 3.
-   4 - 1 = 3, write 3.
Answer: 33


Question: What is 748 + 664?
Let's think step by step.
- Add ones: 8 + 4 = 12
- Add tens: 40 + 60 = 100
- Add hundreds: 700 + 600 = 1300
- Sum: 12 + 100 = 112
- Sum: 112 + 1300 = 1412
Answer: 1412


Question: What is 389 + 627?
Let's think step by step.
- Add ones: 9 + 7 = 16
- Add tens: 80 + 20 = 100
- Add hundreds: 300 + 600 = 900
- Sum: 16 + 100 = 116
- Sum: 116 + 900 = 1016
Answer: 1016


Question: What is 23 * 68?
Let's think step by step.
- 68 = 60 + 8
- 23 * 8 = (20 + 3) * 8 = 160 + 24 = 184
- 23 * 6 = (20 + 3) * 6 = 120 + 18 = 138, so 23 * 60 = 1380
- Sum: 184 + 1380 = 1564
Answer: 1564


Question: What is 815 + 672?
Let's think step by step.
- Add ones: 5 + 2 = 7
- Add tens: 10 + 70 = 80
- Add hundreds: 800 + 600 = 1400
- Sum: 7 + 80 = 87
- Sum: 87 + 1400 = 1487
Answer: 1487


Question: What is 708 * 43?
Let's think step by step.
- 43 = 40 + 3
- 708 * 3 = (700 + 8) * 3 = 2100 + 24 = 2124
- 708 * 4 = (700 + 8) * 4 = 2800 + 32 = 2832, so 708 * 40 = 28320
- Sum: 2124 + 28320 = 30444
Answer: 30444


Question: What is 777 * 41?
Let's think step by step.
- 41 = 40 + 1
- 777 * 1 = (700 + 70 + 7) * 1 = 700 + 70 + 7 = 777
- 777 * 4 = (700 + 70 + 7) * 4 = 2800 + 280 + 28 = 3108, so 777 * 40 = 31080
- Sum: 777 + 31080 = 31857
Answer: 31857


Question: What is 58 * 23?
Let's think step by step.
- 23 = 20 + 3
- 58 * 3 = (50 + 8) * 3 = 150 + 24 = 174
- 58 * 2 = (50 + 8) * 2 = 100 + 16 = 116, so 58 * 20 = 1160
- Sum: 174 + 1160 = 1334
Answer: 1334


Question: What is 506 + 582?
Let's think step by step.
- Add ones: 6 + 2 = 8
- Add tens: 0 + 80 = 80
- Add hundreds: 500 + 500 = 1000
- Sum: 8 + 80 = 88
- Sum: 88 + 1000 = 1088
Answer: 1088


Question: What is 861 * 23?
Let's think step by step.
- 23 = 20 + 3
- 861 * 3 = (800 + 60 + 1) * 3 = 2400 + 180 + 3 = 2583
- 861 * 2 = (800 + 60 + 1) * 2 = 1600 + 120 + 2 = 1722, so 861 * 20 = 17220
- Sum: 2583 + 17220 = 19803
Answer: 19803


Question: What is 354 * 35?
Let's think step by step.
- 35 = 30 + 5
- 354 * 5 = (300 + 50 + 4) * 5 = 1500 + 250 + 20 = 1770
- 354 * 3 = (300 + 50 + 4) * 3 = 900 + 150 + 12 = 1062, so 354 * 30 = 10620
- Sum: 1770 + 10620 = 12390
Answer: 12390


Question: What is 8132 - 1782?
Let's think step by step.
-   2 - 2 = 0, write 0.
- 2nd digit from right: 3 < 8, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 8 = 5, write 5.
- 3rd digit from right: 0 < 7, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 7 = 3, write 3.
-   7 - 1 = 6, write 6.
Answer: 6350


Question: What is 90 - 40?
Let's think step by step.
-   0 - 0 = 0, write 0.
-   9 - 4 = 5, write 5.
Answer: 50


Question: What is 428 + 677?
Let's think step by step.
- Add ones: 8 + 7 = 15
- Add tens: 20 + 70 = 90
- Add hundreds: 400 + 600 = 1000
- Sum: 15 + 90 = 105
- Sum: 105 + 1000 = 1105
Answer: 1105


Question: What is 824 - 785?
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.
- 2nd digit from right: 1 < 8, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 8 = 3, write 3.
-   7 - 7 = 0, write 0.
Answer: 39


Question: What is 619 * 86?
Let's think step by step.
- 86 = 80 + 6
- 619 * 6 = (600 + 10 + 9) * 6 = 3600 + 60 + 54 = 3714
- 619 * 8 = (600 + 10 + 9) * 8 = 4800 + 80 + 72 = 4952, so 619 * 80 = 49520
- Sum: 3714 + 49520 = 53234
Answer: 53234


Question: What is 450 * 6?
Let's think step by step.
- 450 * 6 = (400 + 50) * 6 = 2400 + 300 = 2700
Answer: 2700


Question: What is 97 * 13?
Let's think step by step.
- 13 = 10 + 3
- 97 * 3 = (90 + 7) * 3 = 270 + 21 = 291
- 97 * 1 = (90 + 7) * 1 = 90 + 7 = 97, so 97 * 10 = 970
- Sum: 291 + 970 = 1261
Answer: 1261


Question: What is 983 - 5?
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.
-   7 - 0 = 7, write 7.
-   9 - 0 = 9, write 9.
Answer: 978


Question: What is 870 + 310?
Let's think step by step.
- Add ones: 0 + 0 = 0
- Add tens: 70 + 10 = 80
- Add hundreds: 800 + 300 = 1100
- Sum: 0 + 80 = 80
- Sum: 80 + 1100 = 1180
Answer: 1180


Question: What is 91 + 72?
Let's think step by step.
- Add ones: 1 + 2 = 3
- Add tens: 90 + 70 = 160
- Sum: 3 + 160 = 163
Answer: 163


Question: What is 563 - 177?
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: 5 < 7, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 7 = 8, write 8.
-   4 - 1 = 3, write 3.
Answer: 386


Question: What is 304 + 627?
Let's think step by step.
- Add ones: 4 + 7 = 11
- Add tens: 0 + 20 = 20
- Add hundreds: 300 + 600 = 900
- Sum: 11 + 20 = 31
- Sum: 31 + 900 = 931
Answer: 931


Question: What is 4914 - 2240?
Let's think step by step.
-   4 - 0 = 4, write 4.
- 2nd digit from right: 1 < 4, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 4 = 7, write 7.
-   8 - 2 = 6, write 6.
-   4 - 2 = 2, write 2.
Answer: 2674


Question: What is 67 + 17?
Let's think step by step.
- Add ones: 7 + 7 = 14
- Add tens: 60 + 10 = 70
- Sum: 14 + 70 = 84
Answer: 84


Question: What is 294 + 977?
Let's think step by step.
- Add ones: 4 + 7 = 11
- Add tens: 90 + 70 = 160
- Add hundreds: 200 + 900 = 1100
- Sum: 11 + 160 = 171
- Sum: 171 + 1100 = 1271
Answer: 1271


Question: What is 295 - 70?
Let's think step by step.
-   5 - 0 = 5, write 5.
-   9 - 7 = 2, write 2.
-   2 - 0 = 2, write 2.
Answer: 225


Question: What is 381 * 4?
Let's think step by step.
- 381 * 4 = (300 + 80 + 1) * 4 = 1200 + 320 + 4 = 1524
Answer: 1524


Question: What is 262 * 2?
Let's think step by step.
- 262 * 2 = (200 + 60 + 2) * 2 = 400 + 120 + 4 = 524
Answer: 524


Question: What is 492 + 306?
Let's think step by step.
- Add ones: 2 + 6 = 8
- Add tens: 90 + 0 = 90
- Add hundreds: 400 + 300 = 700
- Sum: 8 + 90 = 98
- Sum: 98 + 700 = 798
Answer: 798


Question: What is 107 * 774?
Let's think step by step.
- 774 = 700 + 70 + 4
- 107 * 4 = (100 + 7) * 4 = 400 + 28 = 428
- 107 * 7 = (100 + 7) * 7 = 700 + 49 = 749, so 107 * 70 = 7490
- 107 * 7 = (100 + 7) * 7 = 700 + 49 = 749, so 107 * 700 = 74900
- Sum: 428 + 7490 = 7918
- Sum: 7918 + 74900 = 82818
Answer: 82818


Question: What is 32 + 36?
Let's think step by step.
- Add ones: 2 + 6 = 8
- Add tens: 30 + 30 = 60
- Sum: 8 + 60 = 68
Answer: 68


Question: What is 766 * 7?
Let's think step by step.
- 766 * 7 = (700 + 60 + 6) * 7 = 4900 + 420 + 42 = 5362
Answer: 5362


Question: What is 28 + 31?
Let's think step by step.
- Add ones: 8 + 1 = 9
- Add tens: 20 + 30 = 50
- Sum: 9 + 50 = 59
Answer: 59


Question: What is 196 + 980?
Let's think step by step.
- Add ones: 6 + 0 = 6
- Add tens: 90 + 80 = 170
- Add hundreds: 100 + 900 = 1000
- Sum: 6 + 170 = 176
- Sum: 176 + 1000 = 1176
Answer: 1176


Question: What is 72 + 48?
Let's think step by step.
- Add ones: 2 + 8 = 10
- Add tens: 70 + 40 = 110
- Sum: 10 + 110 = 120
Answer: 120


Question: What is 84 - 25?
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.
-   7 - 2 = 5, write 5.
Answer: 59


Question: What is 891 - 252?
Let's think step by step.
- 1st digit from right: 1 < 2, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 2 = 9, write 9.
-   8 - 5 = 3, write 3.
-   8 - 2 = 6, write 6.
Answer: 639


Question: What is 26 * 31?
Let's think step by step.
- 31 = 30 + 1
- 26 * 1 = (20 + 6) * 1 = 20 + 6 = 26
- 26 * 3 = (20 + 6) * 3 = 60 + 18 = 78, so 26 * 30 = 780
- Sum: 26 + 780 = 806
Answer: 806


Question: What is 330 * 9?
Let's think step by step.
- 330 * 9 = (300 + 30) * 9 = 2700 + 270 = 2970
Answer: 2970


Question: What is 904 * 36?
Let's think step by step.
- 36 = 30 + 6
- 904 * 6 = (900 + 4) * 6 = 5400 + 24 = 5424
- 904 * 3 = (900 + 4) * 3 = 2700 + 12 = 2712, so 904 * 30 = 27120
- Sum: 5424 + 27120 = 32544
Answer: 32544


Question: What is 514 + 685?
Let's think step by step.
- Add ones: 4 + 5 = 9
- Add tens: 10 + 80 = 90
- Add hundreds: 500 + 600 = 1100
- Sum: 9 + 90 = 99
- Sum: 99 + 1100 = 1199
Answer: 1199


Question: What is 78 - 67?
Let's think step by step.
-   8 - 7 = 1, write 1.
-   7 - 6 = 1, write 1.
Answer: 11


Question: What is 726 + 817?
Let's think step by step.
- Add ones: 6 + 7 = 13
- Add tens: 20 + 10 = 30
- Add hundreds: 700 + 800 = 1500
- Sum: 13 + 30 = 43
- Sum: 43 + 1500 = 1543
Answer: 1543


Question: What is 8556 - 2819?
Let's think step by step.
- 1st digit from right: 6 < 9, borrow 1 from the next digit: 6 + 10 = 16.
-   16 - 9 = 7, write 7.
-   4 - 1 = 3, write 3.
- 3rd digit from right: 5 < 8, borrow 1 from the next digit: 5 + 10 = 15.
-   15 - 8 = 7, write 7.
-   7 - 2 = 5, write 5.
Answer: 5737


Question: What is 344 * 336?
Let's think step by step.
- 336 = 300 + 30 + 6
- 344 * 6 = (300 + 40 + 4) * 6 = 1800 + 240 + 24 = 2064
- 344 * 3 = (300 + 40 + 4) * 3 = 900 + 120 + 12 = 1032, so 344 * 30 = 10320
- 344 * 3 = (300 + 40 + 4) * 3 = 900 + 120 + 12 = 1032, so 344 * 300 = 103200
- Sum: 2064 + 10320 = 12384
- Sum: 12384 + 103200 = 115584
Answer: 115584


Question: What is 814 + 442?
Let's think step by step.
- Add ones: 4 + 2 = 6
- Add tens: 10 + 40 = 50
- Add hundreds: 800 + 400 = 1200
- Sum: 6 + 50 = 56
- Sum: 56 + 1200 = 1256
Answer: 1256


Question: What is 95 - 32?
Let's think step by step.
-   5 - 2 = 3, write 3.
-   9 - 3 = 6, write 6.
Answer: 63


Question: What is 480 + 254?
Let's think step by step.
- Add ones: 0 + 4 = 4
- Add tens: 80 + 50 = 130
- Add hundreds: 400 + 200 = 600
- Sum: 4 + 130 = 134
- Sum: 134 + 600 = 734
Answer: 734


Question: What is 594 - 112?
Let's think step by step.
-   4 - 2 = 2, write 2.
-   9 - 1 = 8, write 8.
-   5 - 1 = 4, write 4.
Answer: 482


Question: What is 761 - 727?
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.
-   5 - 2 = 3, write 3.
-   7 - 7 = 0, write 0.
Answer: 34


Question: What is 88 * 72?
Let's think step by step.
- 72 = 70 + 2
- 88 * 2 = (80 + 8) * 2 = 160 + 16 = 176
- 88 * 7 = (80 + 8) * 7 = 560 + 56 = 616, so 88 * 70 = 6160
- Sum: 176 + 6160 = 6336
Answer: 6336


Question: What is 79 + 80?
Let's think step by step.
- Add ones: 9 + 0 = 9
- Add tens: 70 + 80 = 150
- Sum: 9 + 150 = 159
Answer: 159


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


Question: What is 43 - 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.
-   3 - 2 = 1, write 1.
Answer: 15


Question: What is 342 * 77?
Let's think step by step.
- 77 = 70 + 7
- 342 * 7 = (300 + 40 + 2) * 7 = 2100 + 280 + 14 = 2394
- 342 * 7 = (300 + 40 + 2) * 7 = 2100 + 280 + 14 = 2394, so 342 * 70 = 23940
- Sum: 2394 + 23940 = 26334
Answer: 26334


Question: What is 83 + 39?
Let's think step by step.
- Add ones: 3 + 9 = 12
- Add tens: 80 + 30 = 110
- Sum: 12 + 110 = 122
Answer: 122


Question: What is 130 * 82?
Let's think step by step.
- 82 = 80 + 2
- 130 * 2 = (100 + 30) * 2 = 200 + 60 = 260
- 130 * 8 = (100 + 30) * 8 = 800 + 240 = 1040, so 130 * 80 = 10400
- Sum: 260 + 10400 = 10660
Answer: 10660


Question: What is 83 - 29?
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.
-   7 - 2 = 5, write 5.
Answer: 54


Question: What is 108 + 414?
Let's think step by step.
- Add ones: 8 + 4 = 12
- Add tens: 0 + 10 = 10
- Add hundreds: 100 + 400 = 500
- Sum: 12 + 10 = 22
- Sum: 22 + 500 = 522
Answer: 522


Question: What is 48 + 82?
Let's think step by step.
- Add ones: 8 + 2 = 10
- Add tens: 40 + 80 = 120
- Sum: 10 + 120 = 130
Answer: 130


Question: What is 65 + 76?
Let's think step by step.
- Add ones: 5 + 6 = 11
- Add tens: 60 + 70 = 130
- Sum: 11 + 130 = 141
Answer: 141


Question: What is 474 * 371?
Let's think step by step.
- 371 = 300 + 70 + 1
- 474 * 1 = (400 + 70 + 4) * 1 = 400 + 70 + 4 = 474
- 474 * 7 = (400 + 70 + 4) * 7 = 2800 + 490 + 28 = 3318, so 474 * 70 = 33180
- 474 * 3 = (400 + 70 + 4) * 3 = 1200 + 210 + 12 = 1422, so 474 * 300 = 142200
- Sum: 474 + 33180 = 33654
- Sum: 33654 + 142200 = 175854
Answer: 175854


Question: What is 98 * 5?
Let's think step by step.
- 98 * 5 = (90 + 8) * 5 = 450 + 40 = 490
Answer: 490


Question: What is 8537 - 7254?
Let's think step by step.
-   7 - 4 = 3, write 3.
- 2nd digit from right: 3 < 5, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 5 = 8, write 8.
-   4 - 2 = 2, write 2.
-   8 - 7 = 1, write 1.
Answer: 1283


Question: What is 95 + 77?
Let's think step by step.
- Add ones: 5 + 7 = 12
- Add tens: 90 + 70 = 160
- Sum: 12 + 160 = 172
Answer: 172


Question: What is 468 + 409?
Let's think step by step.
- Add ones: 8 + 9 = 17
- Add tens: 60 + 0 = 60
- Add hundreds: 400 + 400 = 800
- Sum: 17 + 60 = 77
- Sum: 77 + 800 = 877
Answer: 877


Question: What is 87 + 64?
Let's think step by step.
- Add ones: 7 + 4 = 11
- Add tens: 80 + 60 = 140
- Sum: 11 + 140 = 151
Answer: 151


Question: What is 581 * 3?
Let's think step by step.
- 581 * 3 = (500 + 80 + 1) * 3 = 1500 + 240 + 3 = 1743
Answer: 1743


Question: What is 744 + 151?
Let's think step by step.
- Add ones: 4 + 1 = 5
- Add tens: 40 + 50 = 90
- Add hundreds: 700 + 100 = 800
- Sum: 5 + 90 = 95
- Sum: 95 + 800 = 895
Answer: 895


Question: What is 619 * 794?
Let's think step by step.
- 794 = 700 + 90 + 4
- 619 * 4 = (600 + 10 + 9) * 4 = 2400 + 40 + 36 = 2476
- 619 * 9 = (600 + 10 + 9) * 9 = 5400 + 90 + 81 = 5571, so 619 * 90 = 55710
- 619 * 7 = (600 + 10 + 9) * 7 = 4200 + 70 + 63 = 4333, so 619 * 700 = 433300
- Sum: 2476 + 55710 = 58186
- Sum: 58186 + 433300 = 491486
Answer: 491486


Question: What is 73 * 75?
Let's think step by step.
- 75 = 70 + 5
- 73 * 5 = (70 + 3) * 5 = 350 + 15 = 365
- 73 * 7 = (70 + 3) * 7 = 490 + 21 = 511, so 73 * 70 = 5110
- Sum: 365 + 5110 = 5475
Answer: 5475


Question: What is 52 + 45?
Let's think step by step.
- Add ones: 2 + 5 = 7
- Add tens: 50 + 40 = 90
- Sum: 7 + 90 = 97
Answer: 97


Question: What is 630 - 278?
Let's think step by step.
- 1st digit from right: 0 < 8, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 8 = 2, write 2.
- 2nd digit from right: 2 < 7, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 7 = 5, write 5.
-   5 - 2 = 3, write 3.
Answer: 352


Question: What is 242 * 6?
Let's think step by step.
- 242 * 6 = (200 + 40 + 2) * 6 = 1200 + 240 + 12 = 1452
Answer: 1452


Question: What is 65 - 23?
Let's think step by step.
-   5 - 3 = 2, write 2.
-   6 - 2 = 4, write 4.
Answer: 42


Question: What is 294 * 91?
Let's think step by step.
- 91 = 90 + 1
- 294 * 1 = (200 + 90 + 4) * 1 = 200 + 90 + 4 = 294
- 294 * 9 = (200 + 90 + 4) * 9 = 1800 + 810 + 36 = 2646, so 294 * 90 = 26460
- Sum: 294 + 26460 = 26754
Answer: 26754


Question: What is 101 * 56?
Let's think step by step.
- 56 = 50 + 6
- 101 * 6 = (100 + 1) * 6 = 600 + 6 = 606
- 101 * 5 = (100 + 1) * 5 = 500 + 5 = 505, so 101 * 50 = 5050
- Sum: 606 + 5050 = 5656
Answer: 5656


Question: What is 380 + 510?
Let's think step by step.
- Add ones: 0 + 0 = 0
- Add tens: 80 + 10 = 90
- Add hundreds: 300 + 500 = 800
- Sum: 0 + 90 = 90
- Sum: 90 + 800 = 890
Answer: 890


Question: What is 262 - 120?
Let's think step by step.
-   2 - 0 = 2, write 2.
-   6 - 2 = 4, write 4.
-   2 - 1 = 1, write 1.
Answer: 142


Question: What is 889 - 654?
Let's think step by step.
-   9 - 4 = 5, write 5.
-   8 - 5 = 3, write 3.
-   8 - 6 = 2, write 2.
Answer: 235


Question: What is 97 * 4?
Let's think step by step.
- 97 * 4 = (90 + 7) * 4 = 360 + 28 = 388
Answer: 388


Question: What is 316 * 43?
Let's think step by step.
- 43 = 40 + 3
- 316 * 3 = (300 + 10 + 6) * 3 = 900 + 30 + 18 = 948
- 316 * 4 = (300 + 10 + 6) * 4 = 1200 + 40 + 24 = 1264, so 316 * 40 = 12640
- Sum: 948 + 12640 = 13588
Answer: 13588


Question: What is 69 - 13?
Let's think step by step.
-   9 - 3 = 6, write 6.
-   6 - 1 = 5, write 5.
Answer: 56


Question: What is 83 * 25?
Let's think step by step.
- 25 = 20 + 5
- 83 * 5 = (80 + 3) * 5 = 400 + 15 = 415
- 83 * 2 = (80 + 3) * 2 = 160 + 6 = 166, so 83 * 20 = 1660
- Sum: 415 + 1660 = 2075
Answer: 2075


Question: What is 459 + 492?
Let's think step by step.
- Add ones: 9 + 2 = 11
- Add tens: 50 + 90 = 140
- Add hundreds: 400 + 400 = 800
- Sum: 11 + 140 = 151
- Sum: 151 + 800 = 951
Answer: 951


Question: What is 717 * 56?
Let's think step by step.
- 56 = 50 + 6
- 717 * 6 = (700 + 10 + 7) * 6 = 4200 + 60 + 42 = 4302
- 717 * 5 = (700 + 10 + 7) * 5 = 3500 + 50 + 35 = 3585, so 717 * 50 = 35850
- Sum: 4302 + 35850 = 40152
Answer: 40152


Question: What is 128 * 6?
Let's think step by step.
- 128 * 6 = (100 + 20 + 8) * 6 = 600 + 120 + 48 = 768
Answer: 768


Question: What is 100 + 198?
Let's think step by step.
- Add ones: 0 + 8 = 8
- Add tens: 0 + 90 = 90
- Add hundreds: 100 + 100 = 200
- Sum: 8 + 90 = 98
- Sum: 98 + 200 = 298
Answer: 298


Question: What is 41 - 12?
Let's think step by step.
- 1st digit from right: 1 < 2, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 2 = 9, write 9.
-   3 - 1 = 2, write 2.
Answer: 29


Question: What is 630 * 6?
Let's think step by step.
- 630 * 6 = (600 + 30) * 6 = 3600 + 180 = 3780
Answer: 3780


Question: What is 34 * 98?
Let's think step by step.
- 98 = 90 + 8
- 34 * 8 = (30 + 4) * 8 = 240 + 32 = 272
- 34 * 9 = (30 + 4) * 9 = 270 + 36 = 306, so 34 * 90 = 3060
- Sum: 272 + 3060 = 3332
Answer: 3332


Question: What is 576 * 873?
Let's think step by step.
- 873 = 800 + 70 + 3
- 576 * 3 = (500 + 70 + 6) * 3 = 1500 + 210 + 18 = 1728
- 576 * 7 = (500 + 70 + 6) * 7 = 3500 + 490 + 42 = 4032, so 576 * 70 = 40320
- 576 * 8 = (500 + 70 + 6) * 8 = 4000 + 560 + 48 = 4608, so 576 * 800 = 460800
- Sum: 1728 + 40320 = 42048
- Sum: 42048 + 460800 = 502848
Answer: 502848


Question: What is 417 * 2?
Let's think step by step.
- 417 * 2 = (400 + 10 + 7) * 2 = 800 + 20 + 14 = 834
Answer: 834


Question: What is 49 * 16?
Let's think step by step.
- 16 = 10 + 6
- 49 * 6 = (40 + 9) * 6 = 240 + 54 = 294
- 49 * 1 = (40 + 9) * 1 = 40 + 9 = 49, so 49 * 10 = 490
- Sum: 294 + 490 = 784
Answer: 784


Question: What is 81 * 78?
Let's think step by step.
- 78 = 70 + 8
- 81 * 8 = (80 + 1) * 8 = 640 + 8 = 648
- 81 * 7 = (80 + 1) * 7 = 560 + 7 = 567, so 81 * 70 = 5670
- Sum: 648 + 5670 = 6318
Answer: 6318


Question: What is 85 - 81?
Let's think step by step.
-   5 - 1 = 4, write 4.
-   8 - 8 = 0, write 0.
Answer: 4


Question: What is 465 - 282?
Let's think step by step.
-   5 - 2 = 3, write 3.
- 2nd digit from right: 6 < 8, borrow 1 from the next digit: 6 + 10 = 16.
-   16 - 8 = 8, write 8.
-   3 - 2 = 1, write 1.
Answer: 183


Question: What is 331 + 933?
Let's think step by step.
- Add ones: 1 + 3 = 4
- Add tens: 30 + 30 = 60
- Add hundreds: 300 + 900 = 1200
- Sum: 4 + 60 = 64
- Sum: 64 + 1200 = 1264
Answer: 1264


Question: What is 7506 - 725?
Let's think step by step.
-   6 - 5 = 1, write 1.
- 2nd digit from right: 0 < 2, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 2 = 8, write 8.
- 3rd digit from right: 4 < 7, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 7 = 7, write 7.
-   6 - 0 = 6, write 6.
Answer: 6781


Question: What is 667 - 155?
Let's think step by step.
-   7 - 5 = 2, write 2.
-   6 - 5 = 1, write 1.
-   6 - 1 = 5, write 5.
Answer: 512


Question: What is 84 + 24?
Let's think step by step.
- Add ones: 4 + 4 = 8
- Add tens: 80 + 20 = 100
- Sum: 8 + 100 = 108
Answer: 108


Question: What is 463 + 480?
Let's think step by step.
- Add ones: 3 + 0 = 3
- Add tens: 60 + 80 = 140
- Add hundreds: 400 + 400 = 800
- Sum: 3 + 140 = 143
- Sum: 143 + 800 = 943
Answer: 943


Question: What is 46 * 78?
Let's think step by step.
- 78 = 70 + 8
- 46 * 8 = (40 + 6) * 8 = 320 + 48 = 368
- 46 * 7 = (40 + 6) * 7 = 280 + 42 = 322, so 46 * 70 = 3220
- Sum: 368 + 3220 = 3588
Answer: 3588


Question: What is 47 + 82?
Let's think step by step.
- Add ones: 7 + 2 = 9
- Add tens: 40 + 80 = 120
- Sum: 9 + 120 = 129
Answer: 129


Question: What is 800 * 251?
Let's think step by step.
- 251 = 200 + 50 + 1
- 800 * 1 = 800
- 800 * 5 = 4000, so 800 * 50 = 40000
- 800 * 2 = 1600, so 800 * 200 = 160000
- Sum: 800 + 40000 = 40800
- Sum: 40800 + 160000 = 200800
Answer: 200800


Question: What is 817 * 45?
Let's think step by step.
- 45 = 40 + 5
- 817 * 5 = (800 + 10 + 7) * 5 = 4000 + 50 + 35 = 4085
- 817 * 4 = (800 + 10 + 7) * 4 = 3200 + 40 + 28 = 3268, so 817 * 40 = 32680
- Sum: 4085 + 32680 = 36765
Answer: 36765


Question: What is 34 + 62?
Let's think step by step.
- Add ones: 4 + 2 = 6
- Add tens: 30 + 60 = 90
- Sum: 6 + 90 = 96
Answer: 96


Question: What is 984 + 534?
Let's think step by step.
- Add ones: 4 + 4 = 8
- Add tens: 80 + 30 = 110
- Add hundreds: 900 + 500 = 1400
- Sum: 8 + 110 = 118
- Sum: 118 + 1400 = 1518
Answer: 1518


Question: What is 836 - 571?
Let's think step by step.
-   6 - 1 = 5, write 5.
- 2nd digit from right: 3 < 7, borrow 1 from the next digit: 3 + 10 = 13.
-   13 - 7 = 6, write 6.
-   7 - 5 = 2, write 2.
Answer: 265


Question: What is 215 * 91?
Let's think step by step.
- 91 = 90 + 1
- 215 * 1 = (200 + 10 + 5) * 1 = 200 + 10 + 5 = 215
- 215 * 9 = (200 + 10 + 5) * 9 = 1800 + 90 + 45 = 1935, so 215 * 90 = 19350
- Sum: 215 + 19350 = 19565
Answer: 19565


Question: What is 90 + 40?
Let's think step by step.
- Add ones: 0 + 0 = 0
- Add tens: 90 + 40 = 130
- Sum: 0 + 130 = 130
Answer: 130


Question: What is 359 + 259?
Let's think step by step.
- Add ones: 9 + 9 = 18
- Add tens: 50 + 50 = 100
- Add hundreds: 300 + 200 = 500
- Sum: 18 + 100 = 118
- Sum: 118 + 500 = 618
Answer: 618


Question: What is 62 - 55?
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.
-   5 - 5 = 0, write 0.
Answer: 7


Question: What is 77 * 99?
Let's think step by step.
- 99 = 90 + 9
- 77 * 9 = (70 + 7) * 9 = 630 + 63 = 693
- 77 * 9 = (70 + 7) * 9 = 630 + 63 = 693, so 77 * 90 = 6930
- Sum: 693 + 6930 = 7623
Answer: 7623


Question: What is 125 * 80?
Let's think step by step.
- 80 = 80
- 125 * 8 = (100 + 20 + 5) * 8 = 800 + 160 + 40 = 1000, so 125 * 80 = 10000
Answer: 10000


Question: What is 31 * 98?
Let's think step by step.
- 98 = 90 + 8
- 31 * 8 = (30 + 1) * 8 = 240 + 8 = 248
- 31 * 9 = (30 + 1) * 9 = 270 + 9 = 279, so 31 * 90 = 2790
- Sum: 248 + 2790 = 3038
Answer: 3038


Question: What is 17 * 54?
Let's think step by step.
- 54 = 50 + 4
- 17 * 4 = (10 + 7) * 4 = 40 + 28 = 68
- 17 * 5 = (10 + 7) * 5 = 50 + 35 = 85, so 17 * 50 = 850
- Sum: 68 + 850 = 918
Answer: 918


Question: What is 24 * 38?
Let's think step by step.
- 38 = 30 + 8
- 24 * 8 = (20 + 4) * 8 = 160 + 32 = 192
- 24 * 3 = (20 + 4) * 3 = 60 + 12 = 72, so 24 * 30 = 720
- Sum: 192 + 720 = 912
Answer: 912


Question: What is 312 * 2?
Let's think step by step.
- 312 * 2 = (300 + 10 + 2) * 2 = 600 + 20 + 4 = 624
Answer: 624


Question: What is 907 * 49?
Let's think step by step.
- 49 = 40 + 9
- 907 * 9 = (900 + 7) * 9 = 8100 + 63 = 8163
- 907 * 4 = (900 + 7) * 4 = 3600 + 28 = 3628, so 907 * 40 = 36280
- Sum: 8163 + 36280 = 44443
Answer: 44443


Question: What is 66 - 56?
Let's think step by step.
-   6 - 6 = 0, write 0.
-   6 - 5 = 1, write 1.
Answer: 10


Question: What is 606 * 845?
Let's think step by step.
- 845 = 800 + 40 + 5
- 606 * 5 = (600 + 6) * 5 = 3000 + 30 = 3030
- 606 * 4 = (600 + 6) * 4 = 2400 + 24 = 2424, so 606 * 40 = 24240
- 606 * 8 = (600 + 6) * 8 = 4800 + 48 = 4848, so 606 * 800 = 484800
- Sum: 3030 + 24240 = 27270
- Sum: 27270 + 484800 = 512070
Answer: 512070


Question: What is 646 - 372?
Let's think step by step.
-   6 - 2 = 4, write 4.
- 2nd digit from right: 4 < 7, borrow 1 from the next digit: 4 + 10 = 14.
-   14 - 7 = 7, write 7.
-   5 - 3 = 2, write 2.
Answer: 274


Question: What is 29 + 23?
Let's think step by step.
- Add ones: 9 + 3 = 12
- Add tens: 20 + 20 = 40
- Sum: 12 + 40 = 52
Answer: 52


Question: What is 659 - 514?
Let's think step by step.
-   9 - 4 = 5, write 5.
-   5 - 1 = 4, write 4.
-   6 - 5 = 1, write 1.
Answer: 145


Question: What is 882 + 481?
Let's think step by step.
- Add ones: 2 + 1 = 3
- Add tens: 80 + 80 = 160
- Add hundreds: 800 + 400 = 1200
- Sum: 3 + 160 = 163
- Sum: 163 + 1200 = 1363
Answer: 1363


Question: What is 4673 - 1963?
Let's think step by step.
-   3 - 3 = 0, write 0.
-   7 - 6 = 1, write 1.
- 3rd digit from right: 6 < 9, borrow 1 from the next digit: 6 + 10 = 16.
-   16 - 9 = 7, write 7.
-   3 - 1 = 2, write 2.
Answer: 2710


Question: What is 262 - 17?
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.
-   5 - 1 = 4, write 4.
-   2 - 0 = 2, write 2.
Answer: 245


Question: What is 519 * 46?
Let's think step by step.
- 46 = 40 + 6
- 519 * 6 = (500 + 10 + 9) * 6 = 3000 + 60 + 54 = 3114
- 519 * 4 = (500 + 10 + 9) * 4 = 2000 + 40 + 36 = 2076, so 519 * 40 = 20760
- Sum: 3114 + 20760 = 23874
Answer: 23874


Question: What is 687 - 433?
Let's think step by step.
-   7 - 3 = 4, write 4.
-   8 - 3 = 5, write 5.
-   6 - 4 = 2, write 2.
Answer: 254


Question: What is 792 * 4?
Let's think step by step.
- 792 * 4 = (700 + 90 + 2) * 4 = 2800 + 360 + 8 = 3168
Answer: 3168


Question: What is 850 + 306?
Let's think step by step.
- Add ones: 0 + 6 = 6
- Add tens: 50 + 0 = 50
- Add hundreds: 800 + 300 = 1100
- Sum: 6 + 50 = 56
- Sum: 56 + 1100 = 1156
Answer: 1156


Question: What is 183 + 358?
Let's think step by step.
- Add ones: 3 + 8 = 11
- Add tens: 80 + 50 = 130
- Add hundreds: 100 + 300 = 400
- Sum: 11 + 130 = 141
- Sum: 141 + 400 = 541
Answer: 541


Question: What is 49 + 27?
Let's think step by step.
- Add ones: 9 + 7 = 16
- Add tens: 40 + 20 = 60
- Sum: 16 + 60 = 76
Answer: 76


Question: What is 753 - 113?
Let's think step by step.
-   3 - 3 = 0, write 0.
-   5 - 1 = 4, write 4.
-   7 - 1 = 6, write 6.
Answer: 640


Question: What is 2574 - 44?
Let's think step by step.
-   4 - 4 = 0, write 0.
-   7 - 4 = 3, write 3.
-   5 - 0 = 5, write 5.
-   2 - 0 = 2, write 2.
Answer: 2530


Question: What is 6821 - 4172?
Let's think step by step.
- 1st digit from right: 1 < 2, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 2 = 9, write 9.
- 2nd digit from right: 1 < 7, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 7 = 4, write 4.
-   7 - 1 = 6, write 6.
-   6 - 4 = 2, write 2.
Answer: 2649


Question: What is 568 - 239?
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.
-   5 - 3 = 2, write 2.
-   5 - 2 = 3, write 3.
Answer: 329


Question: What is 26 * 94?
Let's think step by step.
- 94 = 90 + 4
- 26 * 4 = (20 + 6) * 4 = 80 + 24 = 104
- 26 * 9 = (20 + 6) * 9 = 180 + 54 = 234, so 26 * 90 = 2340
- Sum: 104 + 2340 = 2444
Answer: 2444


Question: What is 764 * 58?
Let's think step by step.
- 58 = 50 + 8
- 764 * 8 = (700 + 60 + 4) * 8 = 5600 + 480 + 32 = 6112
- 764 * 5 = (700 + 60 + 4) * 5 = 3500 + 300 + 20 = 3820, so 764 * 50 = 38200
- Sum: 6112 + 38200 = 44312
Answer: 44312


Question: What is 154 + 943?
Let's think step by step.
- Add ones: 4 + 3 = 7
- Add tens: 50 + 40 = 90
- Add hundreds: 100 + 900 = 1000
- Sum: 7 + 90 = 97
- Sum: 97 + 1000 = 1097
Answer: 1097


Question: What is 669 * 506?
Let's think step by step.
- 506 = 500 + 6
- 669 * 6 = (600 + 60 + 9) * 6 = 3600 + 360 + 54 = 4014
- 669 * 5 = (600 + 60 + 9) * 5 = 3000 + 300 + 45 = 3345, so 669 * 500 = 334500
- Sum: 4014 + 334500 = 338514
Answer: 338514


Question: What is 859 + 983?
Let's think step by step.
- Add ones: 9 + 3 = 12
- Add tens: 50 + 80 = 130
- Add hundreds: 800 + 900 = 1700
- Sum: 12 + 130 = 142
- Sum: 142 + 1700 = 1842
Answer: 1842


Question: What is 810 - 303?
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.
-   0 - 0 = 0, write 0.
-   8 - 3 = 5, write 5.
Answer: 507


Question: What is 99 + 37?
Let's think step by step.
- Add ones: 9 + 7 = 16
- Add tens: 90 + 30 = 120
- Sum: 16 + 120 = 136
Answer: 136


Question: What is 238 * 9?
Let's think step by step.
- 238 * 9 = (200 + 30 + 8) * 9 = 1800 + 270 + 72 = 2142
Answer: 2142


Question: What is 53 * 17?
Let's think step by step.
- 17 = 10 + 7
- 53 * 7 = (50 + 3) * 7 = 350 + 21 = 371
- 53 * 1 = (50 + 3) * 1 = 50 + 3 = 53, so 53 * 10 = 530
- Sum: 371 + 530 = 901
Answer: 901


Question: What is 97 + 10?
Let's think step by step.
- Add ones: 7 + 0 = 7
- Add tens: 90 + 10 = 100
- Sum: 7 + 100 = 107
Answer: 107


Question: What is 60 * 77?
Let's think step by step.
- 77 = 70 + 7
- 60 * 7 = 420
- 60 * 7 = 420, so 60 * 70 = 4200
- Sum: 420 + 4200 = 4620
Answer: 4620


Question: What is 427 - 270?
Let's think step by step.
-   7 - 0 = 7, write 7.
- 2nd digit from right: 2 < 7, borrow 1 from the next digit: 2 + 10 = 12.
-   12 - 7 = 5, write 5.
-   3 - 2 = 1, write 1.
Answer: 157


Question: What is 76 * 11?
Let's think step by step.
- 11 = 10 + 1
- 76 * 1 = (70 + 6) * 1 = 70 + 6 = 76
- 76 * 1 = (70 + 6) * 1 = 70 + 6 = 76, so 76 * 10 = 760
- Sum: 76 + 760 = 836
Answer: 836


Question: What is 119 - 118?
Let's think step by step.
-   9 - 8 = 1, write 1.
-   1 - 1 = 0, write 0.
-   1 - 1 = 0, write 0.
Answer: 1


Question: What is 19 * 45?
Let's think step by step.
- 45 = 40 + 5
- 19 * 5 = (10 + 9) * 5 = 50 + 45 = 95
- 19 * 4 = (10 + 9) * 4 = 40 + 36 = 76, so 19 * 40 = 760
- Sum: 95 + 760 = 855
Answer: 855


Question: What is 47 + 28?
Let's think step by step.
- Add ones: 7 + 8 = 15
- Add tens: 40 + 20 = 60
- Sum: 15 + 60 = 75
Answer: 75


Question: What is 145 + 308?
Let's think step by step.
- Add ones: 5 + 8 = 13
- Add tens: 40 + 0 = 40
- Add hundreds: 100 + 300 = 400
- Sum: 13 + 40 = 53
- Sum: 53 + 400 = 453
Answer: 453


Question: What is 58 * 39?
Let's think step by step.
- 39 = 30 + 9
- 58 * 9 = (50 + 8) * 9 = 450 + 72 = 522
- 58 * 3 = (50 + 8) * 3 = 150 + 24 = 174, so 58 * 30 = 1740
- Sum: 522 + 1740 = 2262
Answer: 2262


Question: What is 97 * 47?
Let's think step by step.
- 47 = 40 + 7
- 97 * 7 = (90 + 7) * 7 = 630 + 49 = 679
- 97 * 4 = (90 + 7) * 4 = 360 + 28 = 388, so 97 * 40 = 3880
- Sum: 679 + 3880 = 4559
Answer: 4559


Question: What is 84 + 86?
Let's think step by step.
- Add ones: 4 + 6 = 10
- Add tens: 80 + 80 = 160
- Sum: 10 + 160 = 170
Answer: 170


Question: What is 85 * 68?
Let's think step by step.
- 68 = 60 + 8
- 85 * 8 = (80 + 5) * 8 = 640 + 40 = 680
- 85 * 6 = (80 + 5) * 6 = 480 + 30 = 510, so 85 * 60 = 5100
- Sum: 680 + 5100 = 5780
Answer: 5780


Question: What is 51 + 60?
Let's think step by step.
- Add ones: 1 + 0 = 1
- Add tens: 50 + 60 = 110
- Sum: 1 + 110 = 111
Answer: 111


Question: What is 91 + 67?
Let's think step by step.
- Add ones: 1 + 7 = 8
- Add tens: 90 + 60 = 150
- Sum: 8 + 150 = 158
Answer: 158


Question: What is 290 + 606?
Let's think step by step.
- Add ones: 0 + 6 = 6
- Add tens: 90 + 0 = 90
- Add hundreds: 200 + 600 = 800
- Sum: 6 + 90 = 96
- Sum: 96 + 800 = 896
Answer: 896


Question: What is 11 + 44?
Let's think step by step.
- Add ones: 1 + 4 = 5
- Add tens: 10 + 40 = 50
- Sum: 5 + 50 = 55
Answer: 55


Question: What is 76 * 21?
Let's think step by step.
- 21 = 20 + 1
- 76 * 1 = (70 + 6) * 1 = 70 + 6 = 76
- 76 * 2 = (70 + 6) * 2 = 140 + 12 = 152, so 76 * 20 = 1520
- Sum: 76 + 1520 = 1596
Answer: 1596


Question: What is 656 + 747?
Let's think step by step.
- Add ones: 6 + 7 = 13
- Add tens: 50 + 40 = 90
- Add hundreds: 600 + 700 = 1300
- Sum: 13 + 90 = 103
- Sum: 103 + 1300 = 1403
Answer: 1403


Question: What is 663 * 414?
Let's think step by step.
- 414 = 400 + 10 + 4
- 663 * 4 = (600 + 60 + 3) * 4 = 2400 + 240 + 12 = 2652
- 663 * 1 = (600 + 60 + 3) * 1 = 600 + 60 + 3 = 663, so 663 * 10 = 6630
- 663 * 4 = (600 + 60 + 3) * 4 = 2400 + 240 + 12 = 2652, so 663 * 400 = 265200
- Sum: 2652 + 6630 = 9282
- Sum: 9282 + 265200 = 274482
Answer: 274482


Question: What is 62 * 19?
Let's think step by step.
- 19 = 10 + 9
- 62 * 9 = (60 + 2) * 9 = 540 + 18 = 558
- 62 * 1 = (60 + 2) * 1 = 60 + 2 = 62, so 62 * 10 = 620
- Sum: 558 + 620 = 1178
Answer: 1178


Question: What is 856 - 645?
Let's think step by step.
-   6 - 5 = 1, write 1.
-   5 - 4 = 1, write 1.
-   8 - 6 = 2, write 2.
Answer: 211


Question: What is 246 * 8?
Let's think step by step.
- 246 * 8 = (200 + 40 + 6) * 8 = 1600 + 320 + 48 = 1968
Answer: 1968


Question: What is 477 - 197?
Let's think step by step.
-   7 - 7 = 0, write 0.
- 2nd digit from right: 7 < 9, borrow 1 from the next digit: 7 + 10 = 17.
-   17 - 9 = 8, write 8.
-   3 - 1 = 2, write 2.
Answer: 280


Question: What is 685 + 767?
Let's think step by step.
- Add ones: 5 + 7 = 12
- Add tens: 80 + 60 = 140
- Add hundreds: 600 + 700 = 1300
- Sum: 12 + 140 = 152
- Sum: 152 + 1300 = 1452
Answer: 1452


Question: What is 17 * 5?
Let's think step by step.
- 17 * 5 = (10 + 7) * 5 = 50 + 35 = 85
Answer: 85


Question: What is 49 * 42?
Let's think step by step.
- 42 = 40 + 2
- 49 * 2 = (40 + 9) * 2 = 80 + 18 = 98
- 49 * 4 = (40 + 9) * 4 = 160 + 36 = 196, so 49 * 40 = 1960
- Sum: 98 + 1960 = 2058
Answer: 2058


Question: What is 88 - 13?
Let's think step by step.
-   8 - 3 = 5, write 5.
-   8 - 1 = 7, write 7.
Answer: 75


Question: What is 87 - 67?
Let's think step by step.
-   7 - 7 = 0, write 0.
-   8 - 6 = 2, write 2.
Answer: 20


Question: What is 53 - 1?
Let's think step by step.
-   3 - 1 = 2, write 2.
-   5 - 0 = 5, write 5.
Answer: 52


Question: What is 41 + 31?
Let's think step by step.
- Add ones: 1 + 1 = 2
- Add tens: 40 + 30 = 70
- Sum: 2 + 70 = 72
Answer: 72


Question: What is 80 - 58?
Let's think step by step.
- 1st digit from right: 0 < 8, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 8 = 2, write 2.
-   7 - 5 = 2, write 2.
Answer: 22


Question: What is 775 * 9?
Let's think step by step.
- 775 * 9 = (700 + 70 + 5) * 9 = 6300 + 630 + 45 = 6975
Answer: 6975


Question: What is 391 + 278?
Let's think step by step.
- Add ones: 1 + 8 = 9
- Add tens: 90 + 70 = 160
- Add hundreds: 300 + 200 = 500
- Sum: 9 + 160 = 169
- Sum: 169 + 500 = 669
Answer: 669


Question: What is 570 + 642?
Let's think step by step.
- Add ones: 0 + 2 = 2
- Add tens: 70 + 40 = 110
- Add hundreds: 500 + 600 = 1100
- Sum: 2 + 110 = 112
- Sum: 112 + 1100 = 1212
Answer: 1212


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


Question: What is 6605 - 3085?
Let's think step by step.
-   5 - 5 = 0, write 0.
- 2nd digit from right: 0 < 8, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 8 = 2, write 2.
-   5 - 0 = 5, write 5.
-   6 - 3 = 3, write 3.
Answer: 3520


Question: What is 85 + 90?
Let's think step by step.
- Add ones: 5 + 0 = 5
- Add tens: 80 + 90 = 170
- Sum: 5 + 170 = 175
Answer: 175


Question: What is 708 + 811?
Let's think step by step.
- Add ones: 8 + 1 = 9
- Add tens: 0 + 10 = 10
- Add hundreds: 700 + 800 = 1500
- Sum: 9 + 10 = 19
- Sum: 19 + 1500 = 1519
Answer: 1519


Question: What is 76 * 71?
Let's think step by step.
- 71 = 70 + 1
- 76 * 1 = (70 + 6) * 1 = 70 + 6 = 76
- 76 * 7 = (70 + 6) * 7 = 490 + 42 = 532, so 76 * 70 = 5320
- Sum: 76 + 5320 = 5396
Answer: 5396


Question: What is 890 - 327?
Let's think step by step.
- 1st digit from right: 0 < 7, borrow 1 from the next digit: 0 + 10 = 10.
-   10 - 7 = 3, write 3.
-   8 - 2 = 6, write 6.
-   8 - 3 = 5, write 5.
Answer: 563


Question: What is 354 + 486?
Let's think step by step.
- Add ones: 4 + 6 = 10
- Add tens: 50 + 80 = 130
- Add hundreds: 300 + 400 = 700
- Sum: 10 + 130 = 140
- Sum: 140 + 700 = 840
Answer: 840


Question: What is 16 * 92?
Let's think step by step.
- 92 = 90 + 2
- 16 * 2 = (10 + 6) * 2 = 20 + 12 = 32
- 16 * 9 = (10 + 6) * 9 = 90 + 54 = 144, so 16 * 90 = 1440
- Sum: 32 + 1440 = 1472
Answer: 1472


Question: What is 833 + 374?
Let's think step by step.
- Add ones: 3 + 4 = 7
- Add tens: 30 + 70 = 100
- Add hundreds: 800 + 300 = 1100
- Sum: 7 + 100 = 107
- Sum: 107 + 1100 = 1207
Answer: 1207


Question: What is 26 * 36?
Let's think step by step.
- 36 = 30 + 6
- 26 * 6 = (20 + 6) * 6 = 120 + 36 = 156
- 26 * 3 = (20 + 6) * 3 = 60 + 18 = 78, so 26 * 30 = 780
- Sum: 156 + 780 = 936
Answer: 936


Question: What is 970 + 711?
Let's think step by step.
- Add ones: 0 + 1 = 1
- Add tens: 70 + 10 = 80
- Add hundreds: 900 + 700 = 1600
- Sum: 1 + 80 = 81
- Sum: 81 + 1600 = 1681
Answer: 1681


Question: What is 84 - 70?
Let's think step by step.
-   4 - 0 = 4, write 4.
-   8 - 7 = 1, write 1.
Answer: 14


Question: What is 976 + 549?
Let's think step by step.
- Add ones: 6 + 9 = 15
- Add tens: 70 + 40 = 110
- Add hundreds: 900 + 500 = 1400
- Sum: 15 + 110 = 125
- Sum: 125 + 1400 = 1525
Answer: 1525


Question: What is 830 + 868?
Let's think step by step.
- Add ones: 0 + 8 = 8
- Add tens: 30 + 60 = 90
- Add hundreds: 800 + 800 = 1600
- Sum: 8 + 90 = 98
- Sum: 98 + 1600 = 1698
Answer: 1698


Question: What is 67 * 12?
Let's think step by step.
- 12 = 10 + 2
- 67 * 2 = (60 + 7) * 2 = 120 + 14 = 134
- 67 * 1 = (60 + 7) * 1 = 60 + 7 = 67, so 67 * 10 = 670
- Sum: 134 + 670 = 804
Answer: 804


Question: What is 9545 - 7436?
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.
-   3 - 3 = 0, write 0.
-   5 - 4 = 1, write 1.
-   9 - 7 = 2, write 2.
Answer: 2109


Question: What is 66 + 48?
Let's think step by step.
- Add ones: 6 + 8 = 14
- Add tens: 60 + 40 = 100
- Sum: 14 + 100 = 114
Answer: 114


Question: What is 25 * 31?
Let's think step by step.
- 31 = 30 + 1
- 25 * 1 = (20 + 5) * 1 = 20 + 5 = 25
- 25 * 3 = (20 + 5) * 3 = 60 + 15 = 75, so 25 * 30 = 750
- Sum: 25 + 750 = 775
Answer: 775


Question: What is 6685 - 1492?
Let's think step by step.
-   5 - 2 = 3, write 3.
- 2nd digit from right: 8 < 9, borrow 1 from the next digit: 8 + 10 = 18.
-   18 - 9 = 9, write 9.
-   5 - 4 = 1, write 1.
-   6 - 1 = 5, write 5.
Answer: 5193


Question: What is 581 * 4?
Let's think step by step.
- 581 * 4 = (500 + 80 + 1) * 4 = 2000 + 320 + 4 = 2324
Answer: 2324


Question: What is 855 + 731?
Let's think step by step.
- Add ones: 5 + 1 = 6
- Add tens: 50 + 30 = 80
- Add hundreds: 800 + 700 = 1500
- Sum: 6 + 80 = 86
- Sum: 86 + 1500 = 1586
Answer: 1586


Question: What is 961 - 236?
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.
-   5 - 3 = 2, write 2.
-   9 - 2 = 7, write 7.
Answer: 725


Question: What is 491 * 89?
Let's think step by step.
- 89 = 80 + 9
- 491 * 9 = (400 + 90 + 1) * 9 = 3600 + 810 + 9 = 4419
- 491 * 8 = (400 + 90 + 1) * 8 = 3200 + 720 + 8 = 3928, so 491 * 80 = 39280
- Sum: 4419 + 39280 = 43699
Answer: 43699


Question: What is 48 + 77?
Let's think step by step.
- Add ones: 8 + 7 = 15
- Add tens: 40 + 70 = 110
- Sum: 15 + 110 = 125
Answer: 125


Question: What is 60 - 16?
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.
-   5 - 1 = 4, write 4.
Answer: 44


Question: What is 841 + 334?
Let's think step by step.
- Add ones: 1 + 4 = 5
- Add tens: 40 + 30 = 70
- Add hundreds: 800 + 300 = 1100
- Sum: 5 + 70 = 75
- Sum: 75 + 1100 = 1175
Answer: 1175


Question: What is 43 * 84?
Let's think step by step.
- 84 = 80 + 4
- 43 * 4 = (40 + 3) * 4 = 160 + 12 = 172
- 43 * 8 = (40 + 3) * 8 = 320 + 24 = 344, so 43 * 80 = 3440
- Sum: 172 + 3440 = 3612
Answer: 3612


Question: What is 318 + 976?
Let's think step by step.
- Add ones: 8 + 6 = 14
- Add tens: 10 + 70 = 80
- Add hundreds: 300 + 900 = 1200
- Sum: 14 + 80 = 94
- Sum: 94 + 1200 = 1294
Answer: 1294


Question: What is 531 - 295?
Let's think step by step.
- 1st digit from right: 1 < 5, borrow 1 from the next digit: 1 + 10 = 11.
-   11 - 5 = 6, write 6.
- 2nd 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: 236


Question: What is 19 * 33?
Let's think step by step.
- 33 = 30 + 3
- 19 * 3 = (10 + 9) * 3 = 30 + 27 = 57
- 19 * 3 = (10 + 9) * 3 = 30 + 27 = 57, so 19 * 30 = 570
- Sum: 57 + 570 = 627
Answer: 627


Question: What is 8434 - 4302?
Let's think step by step.
-   4 - 2 = 2, write 2.
-   3 - 0 = 3, write 3.
-   4 - 3 = 1, write 1.
-   8 - 4 = 4, write 4.
Answer: 4132


Question: What is 128 - 127?
Let's think step by step.
-   8 - 7 = 1, write 1.
-   2 - 2 = 0, write 0.
-   1 - 1 = 0, write 0.
Answer: 1


Question: What is 5634 - 5632?
Let's think step by step.
-   4 - 2 = 2, write 2.
-   3 - 3 = 0, write 0.
-   6 - 6 = 0, write 0.
-   5 - 5 = 0, write 0.
Answer: 2


Question: What is 43 * 6?
Let's think step by step.
- 43 * 6 = (40 + 3) * 6 = 240 + 18 = 258
Answer: 258


Question: What is 11 + 81?
Let's think step by step.
- Add ones: 1 + 1 = 2
- Add tens: 10 + 80 = 90
- Sum: 2 + 90 = 92
Answer: 92


Question: What is 33 * 27?
Let's think step by step.
- 27 = 20 + 7
- 33 * 7 = (30 + 3) * 7 = 210 + 21 = 231
- 33 * 2 = (30 + 3) * 2 = 60 + 6 = 66, so 33 * 20 = 660
- Sum: 231 + 660 = 891
Answer: 891


Question: What is 23 + 56?
Let's think step by step.
- Add ones: 3 + 6 = 9
- Add tens: 20 + 50 = 70
- Sum: 9 + 70 = 79
Answer: 79


Question: What is 49 + 62?
Let's think step by step.
- Add ones: 9 + 2 = 11
- Add tens: 40 + 60 = 100
- Sum: 11 + 100 = 111
Answer: 111


Question: What is 62 - 22?
Let's think step by step.
-   2 - 2 = 0, write 0.
-   6 - 2 = 4, write 4.
Answer: 40


Question: What is 58 * 58?
Let's think step by step.
- 58 = 50 + 8
- 58 * 8 = (50 + 8) * 8 = 400 + 64 = 464
- 58 * 5 = (50 + 8) * 5 = 250 + 40 = 290, so 58 * 50 = 2900
- Sum: 464 + 2900 = 3364
Answer: 3364


Question: What is 528 + 371?
Let's think step by step.
- Add ones: 8 + 1 = 9
- Add tens: 20 + 70 = 90
- Add hundreds: 500 + 300 = 800
- Sum: 9 + 90 = 99
- Sum: 99 + 800 = 899
Answer: 899


Question: What is 613 * 3?
Let's think step by step.
- 613 * 3 = (600 + 10 + 3) * 3 = 1800 + 30 + 9 = 1839
Answer: 1839


Question: What is 973 + 929?
Let's think step by step.
- Add ones: 3 + 9 = 12
- Add tens: 70 + 20 = 90
- Add hundreds: 900 + 900 = 1800
- Sum: 12 + 90 = 102
- Sum: 102 + 1800 = 1902
Answer: 1902


Question: What is 159 + 655?
Let's think step by step.
- Add ones: 9 + 5 = 14
- Add tens: 50 + 50 = 100
- Add hundreds: 100 + 600 = 700
- Sum: 14 + 100 = 114
- Sum: 114 + 700 = 814
Answer: 814