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

Problem: if z is a multiple of 8778 , what is the remainder when z ^ 2 is divided by 9 ?
0

Problem: in a maths test , students were asked to find 5 / 16 of a certain number . one of the students by mistake found 5 / 6 th of that number and his answer was 150 more than the correct answer . find the number .
288

Problem: vishal invested 10 % more than trishul . trishul invested 10 % less than raghu . if the total sum of their investments is rs . 5780 , how much amount did raghu invest ?

2000