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

Problem: the product of two successive numbers is 4160 . which is the smaller of the two numbers ?
64

Problem: find the principle on a certain sum of money at 9 % per annum for 2 2 / 5 years if the amount being rs . 1120 ?
921.0

Problem: robert ate 7 chocolates , nickel ate 5 chocolates . how many more chocolates did robert ate than nickel ?
e )