Problem: what is the remainder when the number w = 14 ^ 2 * 15 ^ 8 is divided by 5 ?
Rationale: "14 ^ 2 has units digit 6 15 ^ 8 has units digit 5 thus w = 14 ^ 2 * 15 ^ 8 has units digit 0 and will be divisible by 5 . the remainder will be zero answer : ( a )"
annotated_formula: divide(5, 5)