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:
There are 55 oranges in a box . Deborah has 11 oranges in a bag . Susan takes 35 oranges out of the box . How many oranges are left in the box ?

Ex Output:
20

Ex Input:
Mrs. Hilt bought 6 hot dogs . Each hot dog cost 50 cents . How much money did she pay for all of the hot dogs ?

Ex Output:
300

Ex Input:
Jesse has 21 bananas . If he shares them among 3 friends , how many bananas does each friend get ?

Ex Output:
7