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

[Q]: Problem: find ( 7 x + 2 y ) / ( x - 2 y ) if x / 2 y = 3 / 2 ?
[A]: 23

[Q]: Problem: find the principle on a certain sum of money at 9 % per annum for 2 2 / 5 years if the amount being rs . 1120 ?
[A]: 921.0

[Q]: Problem: how many integers from 101 to 200 , inclusive , are divisible by 3 but not divisible by 7 ?
[A]:
28