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: There are 41 pencils in the drawer . Mike placed 30 more pencils in the drawer . How many pencils are now there in total ?

Output: 71


Input: Consider Input: Mary ’ s car gets 20 miles per gallon of gas . How far can she drive on 14 gallons of gas ?

Output: 280


Input: Consider Input: William has 10 marbles . He shares 3 with Theresa . How many marbles will William have ?


Output: 7