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

[EX Q]: Problem: a large box contains 20 small boxes and each small box contains 32 chocolate bars . how many chocolate bars are in the large box ?
[EX A]: e ) 64

[EX Q]: Problem: find the least number must be subtracted from 105829 so that remaining no . is divisible by 21 ?
[EX A]: 10

[EX Q]: Problem: vishal invested 10 % more than trishul . trishul invested 10 % less than raghu . if the total sum of their investments is rs . 6358 , how much amount did raghu invest ?
[EX A]:
2200