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

[EX Q]: Problem: for any integer n greater than 1 , n * denotes the product of all the integers from 1 to n , inclusive . how many prime numbers are there between 6 * + 2 and 6 * + 6 , inclusive ?
[EX A]: none

[EX Q]: Problem: a square with sides of 15 units each . what would be the area of the square . consider a square as a combination of two right angled triangles .
[EX A]: 225', 'd ) 81', 'e ) 144'

[EX Q]: Problem: a cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.2 m and its walls are 5 cm thick . the thickness of the bottom is :
[EX A]:
2 dm