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

Example Input: Problem: if the sides of a triangle are 26 cm , 24 cm and 15 cm , what is its area ?
Example Output: 180

Example Input: Problem: if a ã — b = 2 a - 3 b + ab , then 3 ã — 2 + 2 ã — 3 is equal to :
Example Output: 7

Example Input: Problem: for all real numbers v , an operation is defined by the equation v * = v - v / 3 . if ( v * ) * = 24 , then v =
Example Output:
54