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

[EX Q]: Problem: positive integer y is 50 percent of 25 percent of positive integer x , and y percent of x equals 100 . what is the value of y ?
[EX A]: 125

[EX Q]: Problem: a certain experimental mathematics program was tried out in 2 classes in each of 38 elementary schools and involved 44 teachers . each of the classes had 1 teacher and each of the teachers taught at least 1 , but not more than 3 , of the classes . if the number of teachers who taught 3 classes is n , then the least and greatest possible values of n , respectively , are
[EX A]: 0 and 16

[EX Q]: Problem: what is the value of ( 3 ) ^ - 4 ?
[EX A]:
1 / 81