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

Problem: a cycle is bought for rs . 900 and sold for rs . 1170 , find the gain percent ?
30 %

Problem: the total age of a and b is 12 years more than the total age of b and c . c is how many year younger than a
12

Problem: how many shots of 1 cm radius can be prepared from a sphere of 6 cm radius ?
216