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

[EX Q]: Problem: a student committee on academic integrity has 132 ways to select a president and vice president from a group of candidates . the same person can not be both president and vice president . how many candidates are there ?
[EX A]: 1

[EX Q]: Problem: find the value of x : 2 x ² − 4 .
[EX A]: - 2,2

[EX Q]: Problem: find the ones digit of 73 ^ 351
[EX A]:
7