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

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

Ex Output:
956.25 %

Ex Input:
Problem: a car traveled 560 miles per tankful of gasoline on the highway and 336 miles per tankful of gasoline in the city . if the car traveled 6 fewer miles per gallon in the city than on the highway , how many miles per gallon did the car travel in the city ?

Ex Output:
9

Ex Input:
Problem: the average of runs of a cricket player of 20 innings was 32 . how many runs must he make in his next innings so as to increase his average of runs by 8 ?

Ex Output:
200