The task is to generate the correct answer for a given math problem.

Q: Problem: find the least number must be subtracted from 105829 so that remaining no . is divisible by 21 ?

A: 10
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Q: Problem: the profits of qrs company rose 30 % from march to april , then dropped 20 % from april to may , then rose 50 % from may to june . what was the percent increase for the whole quarter , from march to june ?

A: 56 %
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Q: Problem: how much is 70 % of 40 is greater than 4 / 5 of 25 ?

A:

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