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

[EX Q]: Problem: 5 / 8 of 3 / 10 of a number is greater than 4 / 9 of 1 / 4 of the same number by 55 . what is half of that number ?
[EX A]: 36

[EX Q]: Problem: if p / q = 3 / 11 , then 2 p + q = ?
[EX A]: 17

[EX Q]: Problem: a fair price shopkeeper takes 10 % profit on his goods . he lost 30 % goods during theft . his loss percent is :
[EX A]:
23 %