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

[EX Q]: Problem: the average of first 17 even numbers is ?
[EX A]: 18

[EX Q]: Problem: working together , wayne and his son can shovel the entire driveway in three hours . if wayne can shovel six times as fast as his son can , how many hours would it take for his son to shovel the entire driveway on his own ?
[EX A]: 7

[EX Q]: Problem: the number of positive integer solutions for the equation x + y + z + t = 30 is
[EX A]:
3654