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

Example Input: Problem: a man buys 60 pens at marked price of 46 pens from a whole seller . if he sells these pens giving a discount of 1 % , what is the profit percent ?
Example Output: 29.13 %

Example Input: Problem: the sum of the squares of the first 15 positive integers ( 1 ^ 2 + 2 ^ 2 + 3 ^ 2 + . . . + 15 ^ 2 ) is equal to 1240 . what is the sum of the squares of the second 15 positive integers ( 16 ^ 2 + 17 ^ 2 + 18 ^ 2 + . . . + 30 ^ 2 ) ?
Example Output: 8215

Example Input: Problem: if the ratio of two number is 6 : 7 and lcm of the number is 450 then what is the number .
Example Output:
11