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

Example Input: Problem: a train 200 m long can cross an electric pole in 5 sec and then find the speed of the train ?
Example Output: 144

Example Input: Problem: if each side of a square is increased by 325 % in length , find the percentage change in its area ?
Example Output: 956.25 %

Example Input: Problem: in a village there are 150 men and 90 women in present time . if in next year population will be p = ( a ^ 2 + b ^ 2 ) ^ 1 / 2 , and in every year men are reduces 10 % . what is population of after 2 year .
Example Output:
141