Definition: You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
Input: Question: The total of the ages of Amar, Akbar and Anthony is 56 years. What was the total of their ages three years ago ?

 Option A: 71

 Option B: 47

 Option C: 66

 Option D: 16

 Option E: 18

Option B