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.

Ex Input:
Scott has 56 oranges that must be put away in boxes . Terry comes to help and brings 11 cookies to share with Scott . If there are 8 boxes , how many oranges must go in each box ?

Ex Output:
7


Ex Input:
Brian ’ s car gets 20 miles per gallon . On his last trip , he used 3 gallons of gas . How many miles did he travel on his last trip ?

Ex Output:
60


Ex Input:
Jovana had 5 pounds of shells in her bucket . She added some shells and now has 28 pounds of shells . How many pounds did she add ?

Ex Output:

23