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

[EX Q]: Problem: if p represents the product of the first 16 positive integers , then p is not a multiple of
[EX A]: 5

[EX Q]: Problem: a gambler has won 40 % of his 40 poker games for the week so far . if , all of a sudden , his luck changes and he begins winning 70 % of the time , how many more games must he play to end up winning 60 % of all his games for the week ?
[EX A]: 80

[EX Q]: Problem: the perimeter of a triangle is 40 cm and the inradius of the triangle is 2.5 cm . what is the area of the triangle ?
[EX A]:
50 cm