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

Input: Consider Input: 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 ?

Output: 56 %

Input: Consider Input: Problem: if 2 men or 3 women can reap a field in 10 days how long will 4 men and 5 women take to reap it ?

Output: 11 / 30

Input: Consider Input: Problem: if a / b = 1 / 3 , b / c = 2 , c / d = 1 / 2 , d / e = 3 and e / f = 1 / 10 , then what is the value of abc / def ?
Output: 3 / 20