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

[EX Q]: Problem: anne bought doughnuts for a class breakfast party . she bought 9 chocolate doughnuts , 7 coconut doughnuts , and 9 jam - filled doughnuts . how many doughnuts did anne buy in all ?
[EX A]: 25

[EX Q]: Problem: if | 5 x - 20 | = 100 , then find the sum of the values of x ?
[EX A]: 8

[EX Q]: Problem: what is the units digit of 17 ^ 83 × 13 ^ 82 × 11 ^ 67 ?
[EX A]:
4