TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: an aeroplane covers a certain distance of 670 kmph in 6 hours . to cover the same distance in 6 1 / 4 hours , it must travel at a speed of

SOLUTION: 643

PROBLEM: Problem: if a ã — b = 2 a - 3 b + ab , then 3 ã — 2 + 2 ã — 3 is equal to :

SOLUTION: 7

PROBLEM: Problem: what number is 60 more than two - fourth of itself ?

SOLUTION:
180