instruction
large_string
reasoning
large_string
answer
large_string
text
large_string
operation
large_string
difficulty
large_string
num_steps
int64
max_digits
int64
A shop has 4 boxes with 10 blocks each, 18% are sold. How many blocks remain?
4*10=40 | 18% of 40=7.2 | 40-7.2=32.8
32.8 blocks
A shop has 4 boxes with 10 blocks each, 18% are sold. How many blocks remain? 4*10=40 | 18% of 40=7.2 | 40-7.2=32.8 Answer: 32.8 blocks
word problems
hard
3
6
What's 24.3 plus 95?
24.3 + 95 = 119.3
119.3
What's 24.3 plus 95? 24.3 + 95 = 119.3 Answer: 119.3
addition
easy
1
2
What is 7869.4 + 1590.3?
7869.4 + 1590.3 = 9459.7
9459.7
What is 7869.4 + 1590.3? 7869.4 + 1590.3 = 9459.7 Answer: 9459.7
decimals
intermediate
2
4
Solve for x: x + 951 = 1115
x = 1115 - 951 = 164
164
Solve for x: x + 951 = 1115 x = 1115 - 951 = 164 Answer: 164
algebra
intermediate
2
4
Share 88878 between A and B in ratio 3:3. How much does A get?
3+3=6 | 88878/6=14813 | 14813*3=44439
44439
Share 88878 between A and B in ratio 3:3. How much does A get? 3+3=6 | 88878/6=14813 | 14813*3=44439 Answer: 44439
ratios
hard
3
6
How much is 80% of 45.2?
45.2 * 80 = 3616 | 3616/100 = 36.16
36.16
How much is 80% of 45.2? 45.2 * 80 = 3616 | 3616/100 = 36.16 Answer: 36.16
percentage
easy
1
2
What is 6609.9 - 2250?
6609.9 - 2250 = 4359.9
4359.9
What is 6609.9 - 2250? 6609.9 - 2250 = 4359.9 Answer: 4359.9
decimals
intermediate
2
4
Solve for x: x + 568 = 685
x = 685 - 568 = 117
117
Solve for x: x + 568 = 685 x = 685 - 568 = 117 Answer: 117
algebra
intermediate
2
4
What do you get when you multiply 94 by 1?
94 * 1 = 94
94
What do you get when you multiply 94 by 1? 94 * 1 = 94 Answer: 94
multiplication
easy
1
2
What is the perimeter of a rectangle 962 by 813?
2*(962+813) = 2*1775 = 3550
3550
What is the perimeter of a rectangle 962 by 813? 2*(962+813) = 2*1775 = 3550 Answer: 3550
geometry
intermediate
2
4
A shop has 2 boxes with 10 squares each, 21% are sold. How many squares remain?
2*10=20 | 21% of 20=4.2 | 20-4.2=15.8
15.8 squares
A shop has 2 boxes with 10 squares each, 21% are sold. How many squares remain? 2*10=20 | 21% of 20=4.2 | 20-4.2=15.8 Answer: 15.8 squares
word problems
hard
3
6
If 2 apples cost $395, how much do 159 apples cost at the same rate?
$395/2=$197.5 each | $197.5*159=$62805
$62805
If 2 apples cost $395, how much do 159 apples cost at the same rate? $395/2=$197.5 each | $197.5*159=$62805 Answer: $62805
quantitative reasoning
very hard
2
6
What is the perimeter of a rectangle 384 by 712?
2*(384+712) = 2*1096 = 2192
2192
What is the perimeter of a rectangle 384 by 712? 2*(384+712) = 2*1096 = 2192 Answer: 2192
geometry
intermediate
2
4
What is 3/4 of 9404?
9404/4 = 2351 | 2351*3 = 7053
7053
What is 3/4 of 9404? 9404/4 = 2351 | 2351*3 = 7053 Answer: 7053
fractions
intermediate
2
4
Find the total of 94.2 and 71.
94.2 + 71 = 165.2
165.2
Find the total of 94.2 and 71. 94.2 + 71 = 165.2 Answer: 165.2
addition
easy
1
2
What is the area of a rectangle 971 by 41?
971 * 41 = 39811
39811
What is the area of a rectangle 971 by 41? 971 * 41 = 39811 Answer: 39811
geometry
intermediate
2
4
What is the area of a rectangle 280 by 352?
280 * 352 = 98560
98560
What is the area of a rectangle 280 by 352? 280 * 352 = 98560 Answer: 98560
geometry
intermediate
2
4
Divide 1074 in the ratio 1:1. What is the larger share?
1+1=2 | 1074/2=537 | 537*1=537
537
Divide 1074 in the ratio 1:1. What is the larger share? 1+1=2 | 1074/2=537 | 537*1=537 Answer: 537
ratios
intermediate
3
4
What is 3/5 of 3265?
3265/5 = 653 | 653*3 = 1959
1959
What is 3/5 of 3265? 3265/5 = 653 | 653*3 = 1959 Answer: 1959
fractions
intermediate
2
4
What is 1/3 of 6189?
6189/3 = 2063 | 2063*1 = 2063
2063
What is 1/3 of 6189? 6189/3 = 2063 | 2063*1 = 2063 Answer: 2063
fractions
intermediate
2
4
Solve for x: x + 922 = 1305
x = 1305 - 922 = 383
383
Solve for x: x + 922 = 1305 x = 1305 - 922 = 383 Answer: 383
algebra
intermediate
2
4
What is 68699 plus 42% of 68699?
42% of 68699 = 28853.6 | 68699 + 28853.6 = 97552.6
97552.6
What is 68699 plus 42% of 68699? 42% of 68699 = 28853.6 | 68699 + 28853.6 = 97552.6 Answer: 97552.6
percentages
hard
3
6
Find 93% of 88.7.
88.7 * 93 = 8249.1 | 8249.1/100 = 82.491
82.491
Find 93% of 88.7. 88.7 * 93 = 8249.1 | 8249.1/100 = 82.491 Answer: 82.491
percentage
easy
1
2
What is the perimeter of a rectangle 618 by 545?
2*(618+545) = 2*1163 = 2326
2326
What is the perimeter of a rectangle 618 by 545? 2*(618+545) = 2*1163 = 2326 Answer: 2326
geometry
intermediate
2
4
Work out 3500 divided by 50.
3500 / 50 = 70
70
Work out 3500 divided by 50. 3500 / 50 = 70 Answer: 70
division
easy
1
2
Share 78799 between A and B in ratio 3:4. How much does A get?
3+4=7 | 78799/7=11257 | 11257*3=33771
33771
Share 78799 between A and B in ratio 3:4. How much does A get? 3+4=7 | 78799/7=11257 | 11257*3=33771 Answer: 33771
ratios
hard
3
6
Work out 4512 divided by 94.
4512 / 94 = 48
48
Work out 4512 divided by 94. 4512 / 94 = 48 Answer: 48
division
easy
1
2
Divide 2715 in the ratio 1:2. What is the larger share?
1+2=3 | 2715/3=905 | 905*2=1810
1810
Divide 2715 in the ratio 1:2. What is the larger share? 1+2=3 | 2715/3=905 | 905*2=1810 Answer: 1810
ratios
intermediate
3
4
What is the area of a rectangle 794 by 411?
794 * 411 = 326334
326334
What is the area of a rectangle 794 by 411? 794 * 411 = 326334 Answer: 326334
geometry
intermediate
2
4
What is 5506 + 3543.6?
5506 + 3543.6 = 9049.6
9049.6
What is 5506 + 3543.6? 5506 + 3543.6 = 9049.6 Answer: 9049.6
decimals
intermediate
2
4
What is 392 + 714 * 49?
714 * 49 = 34986 | 392 + 34986 = 35378
35378
What is 392 + 714 * 49? 714 * 49 = 34986 | 392 + 34986 = 35378 Answer: 35378
multi-step arithmetic
intermediate
2
4
What is 16 + 48.6?
16 + 48.6 = 64.6
64.6
What is 16 + 48.6? 16 + 48.6 = 64.6 Answer: 64.6
addition
easy
1
2
Aaliyah had 369 necklaces and bought 36 more, then gave 85 away. How many necklaces does Aaliyah have now?
369+36=405 | 405-85=320
320 necklaces
Aaliyah had 369 necklaces and bought 36 more, then gave 85 away. How many necklaces does Aaliyah have now? 369+36=405 | 405-85=320 Answer: 320 necklaces
word problems
intermediate
2
4
What is (328 + 271) * 24 - 76?
328+271=599 | 599*24=14376 | 14376-76=14300
14300
What is (328 + 271) * 24 - 76? 328+271=599 | 599*24=14376 | 14376-76=14300 Answer: 14300
hard arithmetic
hard
3
6
Solve for x: x + 768 = 1493
x = 1493 - 768 = 725
725
Solve for x: x + 768 = 1493 x = 1493 - 768 = 725 Answer: 725
algebra
intermediate
2
4
Can you multiply 9 and 95?
9 * 95 = 855
855
Can you multiply 9 and 95? 9 * 95 = 855 Answer: 855
multiplication
easy
1
2
What is 76% of 17.1?
17.1 * 76 = 1299.6 | 1299.6/100 = 12.996
12.996
What is 76% of 17.1? 17.1 * 76 = 1299.6 | 1299.6/100 = 12.996 Answer: 12.996
percentage
easy
1
2
What is the next number in the sequence 5, 3, 8, 11?
8+11=19 (Fibonacci)
19
What is the next number in the sequence 5, 3, 8, 11? 8+11=19 (Fibonacci) Answer: 19
sequences
very hard
2
6
What is 706 * 94 + 507?
706*94=66364 | 66364+507=66871
66871
What is 706 * 94 + 507? 706*94=66364 | 66364+507=66871 Answer: 66871
multi-step arithmetic
hard
3
6
A shop has 3 boxes with 10 animals each, 25% are sold. How many animals remain?
3*10=30 | 25% of 30=7.5 | 30-7.5=22.5
22.5 animals
A shop has 3 boxes with 10 animals each, 25% are sold. How many animals remain? 3*10=30 | 25% of 30=7.5 | 30-7.5=22.5 Answer: 22.5 animals
word problems
hard
3
6
What is (990 + 258) * 10 - 92?
990+258=1248 | 1248*10=12480 | 12480-92=12388
12388
What is (990 + 258) * 10 - 92? 990+258=1248 | 1248*10=12480 | 12480-92=12388 Answer: 12388
hard arithmetic
hard
3
6
What is the area of a rectangle 35 by 652?
35 * 652 = 22820
22820
What is the area of a rectangle 35 by 652? 35 * 652 = 22820 Answer: 22820
geometry
intermediate
2
4
Noah had 51 necklaces, bought 30 more, gave 22 to a friend, then shared the rest equally among 2 friends. How many does each friend get?
51+30=81 | 81-22=59 | 59/2=29 remainder 1 | 29 each
29
Noah had 51 necklaces, bought 30 more, gave 22 to a friend, then shared the rest equally among 2 friends. How many does each friend get? 51+30=81 | 81-22=59 | 59/2=29 remainder 1 | 29 each Answer: 29
word problems
very hard
4
6
What is 23.5 + 58?
23.5 + 58 = 81.5
81.5
What is 23.5 + 58? 23.5 + 58 = 81.5 Answer: 81.5
addition
easy
1
2
Two numbers sum to 50 and differ by 40. What is the larger number?
x+y=50, x-y=40 | 2x=90 | x=45
45
Two numbers sum to 50 and differ by 40. What is the larger number? x+y=50, x-y=40 | 2x=90 | x=45 Answer: 45
algebra
very hard
2
6
A shop has 2 boxes with 14 calendars each, 30% are sold. How many calendars remain?
2*14=28 | 30% of 28=8.4 | 28-8.4=19.6
19.6 calendars
A shop has 2 boxes with 14 calendars each, 30% are sold. How many calendars remain? 2*14=28 | 30% of 28=8.4 | 28-8.4=19.6 Answer: 19.6 calendars
word problems
hard
3
6
Solve for x: x + 503 = 1121
x = 1121 - 503 = 618
618
Solve for x: x + 503 = 1121 x = 1121 - 503 = 618 Answer: 618
algebra
intermediate
2
4
Halve 50.
50 / 2 = 25
25
Halve 50. 50 / 2 = 25 Answer: 25
halving
easy
1
2
Divide 9130 in the ratio 1:1. What is the larger share?
1+1=2 | 9130/2=4565 | 4565*1=4565
4565
Divide 9130 in the ratio 1:1. What is the larger share? 1+1=2 | 9130/2=4565 | 4565*1=4565 Answer: 4565
ratios
intermediate
3
4
Find 913 ÷ 11.
913 / 11 = 83
83
Find 913 ÷ 11. 913 / 11 = 83 Answer: 83
division
easy
1
2
Please compute 12 + 51.
12 + 51 = 63
63
Please compute 12 + 51. 12 + 51 = 63 Answer: 63
addition
easy
1
2
What is (792 + 426) * 16 - 78?
792+426=1218 | 1218*16=19488 | 19488-78=19410
19410
What is (792 + 426) * 16 - 78? 792+426=1218 | 1218*16=19488 | 19488-78=19410 Answer: 19410
hard arithmetic
hard
3
6
What is 98.3 take away 92.8?
98.3 - 92.8 = 5.5
5.5
What is 98.3 take away 92.8? 98.3 - 92.8 = 5.5 Answer: 5.5
subtraction
easy
1
2
Can you divide 2774 by 38?
2774 / 38 = 73
73
Can you divide 2774 by 38? 2774 / 38 = 73 Answer: 73
division
easy
1
2
What is 28813 plus 29% of 28813?
29% of 28813 = 8355.8 | 28813 + 8355.8 = 37168.8
37168.8
What is 28813 plus 29% of 28813? 29% of 28813 = 8355.8 | 28813 + 8355.8 = 37168.8 Answer: 37168.8
percentages
hard
3
6
What is 8815 + 316?
8815 + 316 = 9131
9131
What is 8815 + 316? 8815 + 316 = 9131 Answer: 9131
decimals
intermediate
2
4
Solve 2130 / 30.
2130 / 30 = 71
71
Solve 2130 / 30. 2130 / 30 = 71 Answer: 71
division
easy
1
2
What is (603 + 979) * 93 - 56?
603+979=1582 | 1582*93=147126 | 147126-56=147070
147070
What is (603 + 979) * 93 - 56? 603+979=1582 | 1582*93=147126 | 147126-56=147070 Answer: 147070
hard arithmetic
hard
3
6
What is 15782 plus 38% of 15782?
38% of 15782 = 5997.2 | 15782 + 5997.2 = 21779.2
21779.2
What is 15782 plus 38% of 15782? 38% of 15782 = 5997.2 | 15782 + 5997.2 = 21779.2 Answer: 21779.2
percentages
hard
3
6
What is 721 * 588 + 86?
721*588=423948 | 423948+86=424034
424034
What is 721 * 588 + 86? 721*588=423948 | 423948+86=424034 Answer: 424034
multi-step arithmetic
hard
3
6
What is the next number in the sequence 73, 78, 83, 88?
+5 each step | 88+5=93
93
What is the next number in the sequence 73, 78, 83, 88? +5 each step | 88+5=93 Answer: 93
sequences
intermediate
2
4
What is 486 + 76 * 74?
76 * 74 = 5624 | 486 + 5624 = 6110
6110
What is 486 + 76 * 74? 76 * 74 = 5624 | 486 + 5624 = 6110 Answer: 6110
multi-step arithmetic
intermediate
2
4
John has 5 bags with 18 forks each and found 856 more forks. How many forks total?
5*18=90 | 90+856=946
946 forks
John has 5 bags with 18 forks each and found 856 more forks. How many forks total? 5*18=90 | 90+856=946 Answer: 946 forks
word problems
intermediate
2
4
If 2 apples cost $605, how much do 125 apples cost at the same rate?
$605/2=$302.5 each | $302.5*125=$75625
$75625
If 2 apples cost $605, how much do 125 apples cost at the same rate? $605/2=$302.5 each | $302.5*125=$75625 Answer: $75625
quantitative reasoning
very hard
2
6
What is 6877.4 plus 26% of 6877.4?
26% of 6877.4 = 1788.1 | 6877.4 + 1788.1 = 8665.5
8665.5
What is 6877.4 plus 26% of 6877.4? 26% of 6877.4 = 1788.1 | 6877.4 + 1788.1 = 8665.5 Answer: 8665.5
percentages
hard
3
6
What do you get when you take 53 away from 86?
86 - 53 = 33
33
What do you get when you take 53 away from 86? 86 - 53 = 33 Answer: 33
subtraction
easy
1
2
If you divide 36 by 2, what do you get?
36 / 2 = 18
18
If you divide 36 by 2, what do you get? 36 / 2 = 18 Answer: 18
division
easy
1
2
What is the area of a rectangle 916 by 665?
916 * 665 = 609140
609140
What is the area of a rectangle 916 by 665? 916 * 665 = 609140 Answer: 609140
geometry
intermediate
2
4
Solve 39 x 88.
39 * 88 = 3432
3432
Solve 39 x 88. 39 * 88 = 3432 Answer: 3432
multiplication
easy
1
2
What is the next number in the sequence 22, 25, 50, 53?
pattern +3, *2 | 53*2=106
106
What is the next number in the sequence 22, 25, 50, 53? pattern +3, *2 | 53*2=106 Answer: 106
sequences
very hard
3
6
What is 59 + 45?
59 + 45 = 104
104
What is 59 + 45? 59 + 45 = 104 Answer: 104
addition
easy
1
2
A shop has 2 boxes with 7 tablets each, 29% are sold. How many tablets remain?
2*7=14 | 29% of 14=4.1 | 14-4.1=9.9
9.9 tablets
A shop has 2 boxes with 7 tablets each, 29% are sold. How many tablets remain? 2*7=14 | 29% of 14=4.1 | 14-4.1=9.9 Answer: 9.9 tablets
word problems
hard
3
6
Solve for x: x + 310 = 1263
x = 1263 - 310 = 953
953
Solve for x: x + 310 = 1263 x = 1263 - 310 = 953 Answer: 953
algebra
intermediate
2
4
What is 623 + 668 * 29?
668 * 29 = 19372 | 623 + 19372 = 19995
19995
What is 623 + 668 * 29? 668 * 29 = 19372 | 623 + 19372 = 19995 Answer: 19995
multi-step arithmetic
intermediate
2
4
What is 5593.4 + 7737.8?
5593.4 + 7737.8 = 13331.2
13331.2
What is 5593.4 + 7737.8? 5593.4 + 7737.8 = 13331.2 Answer: 13331.2
decimals
intermediate
2
4
What is 58494 plus 23% of 58494?
23% of 58494 = 13453.6 | 58494 + 13453.6 = 71947.6
71947.6
What is 58494 plus 23% of 58494? 23% of 58494 = 13453.6 | 58494 + 13453.6 = 71947.6 Answer: 71947.6
percentages
hard
3
6
A shop has 3 boxes with 19 markers each, 17% are sold. How many markers remain?
3*19=57 | 17% of 57=9.7 | 57-9.7=47.3
47.3 markers
A shop has 3 boxes with 19 markers each, 17% are sold. How many markers remain? 3*19=57 | 17% of 57=9.7 | 57-9.7=47.3 Answer: 47.3 markers
word problems
hard
3
6
Calculate 62 x 80.
62 * 80 = 4960
4960
Calculate 62 x 80. 62 * 80 = 4960 Answer: 4960
multiplication
easy
1
2
What is 16729 plus 10% of 16729?
10% of 16729 = 1672.9 | 16729 + 1672.9 = 18401.9
18401.9
What is 16729 plus 10% of 16729? 10% of 16729 = 1672.9 | 16729 + 1672.9 = 18401.9 Answer: 18401.9
percentages
hard
3
6
What is the area of a rectangle 408 by 538?
408 * 538 = 219504
219504
What is the area of a rectangle 408 by 538? 408 * 538 = 219504 Answer: 219504
geometry
intermediate
2
4
If 2 apples cost $220, how much do 286 apples cost at the same rate?
$220/2=$110.0 each | $110.0*286=$62920
$62920
If 2 apples cost $220, how much do 286 apples cost at the same rate? $220/2=$110.0 each | $110.0*286=$62920 Answer: $62920
quantitative reasoning
very hard
2
6
Two numbers sum to 73 and differ by -5. What is the larger number?
x+y=73, x-y=-5 | 2x=68 | x=34
39
Two numbers sum to 73 and differ by -5. What is the larger number? x+y=73, x-y=-5 | 2x=68 | x=34 Answer: 39
algebra
very hard
2
6
Which is greater, 9 or 21?
21 > 9 | 21 is larger
21 is larger
Which is greater, 9 or 21? 21 > 9 | 21 is larger Answer: 21 is larger
comparison
easy
1
2
Compute 68% of 52.1.
52.1 * 68 = 3542.8 | 3542.8/100 = 35.428
35.428
Compute 68% of 52.1. 52.1 * 68 = 3542.8 | 3542.8/100 = 35.428 Answer: 35.428
percentage
easy
1
2
If you divide 885 by 15, what do you get?
885 / 15 = 59
59
If you divide 885 by 15, what do you get? 885 / 15 = 59 Answer: 59
division
easy
1
2
What is (377 + 403) * 28 - 91?
377+403=780 | 780*28=21840 | 21840-91=21749
21749
What is (377 + 403) * 28 - 91? 377+403=780 | 780*28=21840 | 21840-91=21749 Answer: 21749
hard arithmetic
hard
3
6
Solve for x: x + 260 = 417
x = 417 - 260 = 157
157
Solve for x: x + 260 = 417 x = 417 - 260 = 157 Answer: 157
algebra
intermediate
2
4
A shop has 2 boxes with 18 blueberries each, 11% are sold. How many blueberries remain?
2*18=36 | 11% of 36=4 | 36-4=32
32 blueberries
A shop has 2 boxes with 18 blueberries each, 11% are sold. How many blueberries remain? 2*18=36 | 11% of 36=4 | 36-4=32 Answer: 32 blueberries
word problems
hard
3
6
Calculate 90 percent of 18.
18 * 90 = 1620 | 1620/100 = 16.2
16.2
Calculate 90 percent of 18. 18 * 90 = 1620 | 1620/100 = 16.2 Answer: 16.2
percentage
easy
1
2
What is (838 + 468) * 80 - 11?
838+468=1306 | 1306*80=104480 | 104480-11=104469
104469
What is (838 + 468) * 80 - 11? 838+468=1306 | 1306*80=104480 | 104480-11=104469 Answer: 104469
hard arithmetic
hard
3
6
What is 9712 + 5910.9?
9712 + 5910.9 = 15622.9
15622.9
What is 9712 + 5910.9? 9712 + 5910.9 = 15622.9 Answer: 15622.9
decimals
intermediate
2
4
Layla has 5 bags with 19 gloves each and found 361 more gloves. How many gloves total?
5*19=95 | 95+361=456
456 gloves
Layla has 5 bags with 19 gloves each and found 361 more gloves. How many gloves total? 5*19=95 | 95+361=456 Answer: 456 gloves
word problems
intermediate
2
4
If 2 apples cost $890, how much do 602 apples cost at the same rate?
$890/2=$445.0 each | $445.0*602=$535780
$535780
If 2 apples cost $890, how much do 602 apples cost at the same rate? $890/2=$445.0 each | $445.0*602=$535780 Answer: $535780
quantitative reasoning
very hard
2
6
What is 4725 over 63?
4725 / 63 = 75
75
What is 4725 over 63? 4725 / 63 = 75 Answer: 75
division
easy
1
2
What is (414 + 689) * 75 - 89?
414+689=1103 | 1103*75=82725 | 82725-89=82636
82636
What is (414 + 689) * 75 - 89? 414+689=1103 | 1103*75=82725 | 82725-89=82636 Answer: 82636
hard arithmetic
hard
3
6
Austin has 5 bags with 13 kittens each and found 560 more kittens. How many kittens total?
5*13=65 | 65+560=625
625 kittens
Austin has 5 bags with 13 kittens each and found 560 more kittens. How many kittens total? 5*13=65 | 65+560=625 Answer: 625 kittens
word problems
intermediate
2
4
Nicholas has 2 bags with 14 fish each and found 701 more fish. How many fish total?
2*14=28 | 28+701=729
729 fish
Nicholas has 2 bags with 14 fish each and found 701 more fish. How many fish total? 2*14=28 | 28+701=729 Answer: 729 fish
word problems
intermediate
2
4
What is 982 * 772 + 473?
982*772=758104 | 758104+473=758577
758577
What is 982 * 772 + 473? 982*772=758104 | 758104+473=758577 Answer: 758577
multi-step arithmetic
hard
3
6
Please compute 744 divided by 31.
744 / 31 = 24
24
Please compute 744 divided by 31. 744 / 31 = 24 Answer: 24
division
easy
1
2
Calculate the product of 9 and 69.
9 * 69 = 621
621
Calculate the product of 9 and 69. 9 * 69 = 621 Answer: 621
multiplication
easy
1
2