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

[EX Q]: Problem: find the least number must be subtracted from 62575 so that remaining number is divisible by 99 .
[EX A]: 7

[EX Q]: Problem: the ratio of three numbers is 2 : 3 : 4 and their sum is 180 . the second number of the three numbers is ?
[EX A]: 60

[EX Q]: Problem: a local elementary school has 1049 students and 9 teachers , how many students would have to be added to the school to make sure each teacher has the same amount of students in their classroom ?
[EX A]:
4