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

Input: Consider Input: Problem: if a - b = 5 and a 2 + b 2 = 31 , find the value of ab .

Output: 3

Input: Consider Input: Problem: the product of two successive numbers is 4160 . which is the smaller of the two numbers ?

Output: 64

Input: Consider Input: Problem: find the probability that the number drawn is a multiple of 6 and 8 .
Output: 1 / 25