instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: if z is a multiple of 8778 , what is the remainder when z ^ 2 is divided by 9 ?
answer:
0


question:
Problem: what is the units digit of 17 ^ 83 × 13 ^ 82 × 11 ^ 67 ?
answer:
4


question:
Problem: if x and y are integers and 2 x – y = 11 , then 4 x + y can not be
answer:

17