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

Input: Consider Input: Problem: a 10 % stock yields 8 % . the market value of the stock is :

Output: rs . 125

Input: Consider Input: Problem: find the value of x : 2 x 4 .

Output: - 2,2

Input: Consider Input: Problem: the ratio of ducks and frogs in a pond is 37 : 39 respectively . the average number of ducks and frogs in the pond is 132 . what is the number of frogs in the pond ?
Output: 134