A student multiplied 7236 by 65 instead of multiplying by 56

A student multiplied 7236 by 65 instead of multiplying by 56. By . how much was his answer greater than the correct answer?

Required difference = 7236 x 65 – 7236 x 56 = 7236 x (65 – 56)
= 7236 x 9 = 65124