Answer:
135
Explanation:
A Google or Bing search box is a useful calculator. They work properly according to the order of operations.
= 5^2·27/5 . . . . . contents of parentheses first
= 25·27/5 . . . . . . exponential terms next
= 675/5 . . . . . . . . multiplication and division in order left to right
= 135