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:
Sam has 110 books . Joan has 102 books . How many books do they have together ?

Ex Output:
212


Ex Input:
Mrs. Hilt has 40 markers . They are divided equally into 7 packages . Mrs. Hilt wants to know how many markers are in each package ?

Ex Output:
5


Ex Input:
There are 3 short trees and 6 tall trees currently in the park . Park workers will plant 9 short trees today . How many short trees will the park have when the workers are finished ?

Ex Output:

12