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:
My car gets 20 miles per gallon of gas . If Grandma ’ s house is 100 miles away , how many gallons of gas would it take to get to her house ?

Ex Output:
5


Ex Input:
Eugene has 51 pencils . He gets 6 more from Joyce . How many pencils does Eugene have in all ?

Ex Output:
57


Ex Input:
Jesse ’ s room is 12 feet long and 8 feet wide . How much carpet does she need to cover the whole floor ?

Ex Output:

96