You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.

Input: Consider Input: Lucy has an aquarium with 212 fish . Lucy wants to buy 68 more fish . How many fish would Lucy have then ?

Output: 280


Input: Consider Input: A box of books weighs 42 pounds . Each book weighs 3 pounds . How many books are there in the box ?

Output: 14


Input: Consider Input: 5 boats are in the lake . Each boat has 3 people . How many people are on boats in the lake ?


Output: 15