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:
Patrick jogged to Aaron 's house . It is 14 miles from Patrick 's house to Aaron 's house . It took Patrick 2 hours to get there . How fast did Patrick go ?

Ex Output:
7


Ex Input:
A restaurant served 7 slices of pie during lunch and 5 during dinner today . It served 8 of them yesterday . How many slices of pie were served today ?

Ex Output:
12


Ex Input:
Paul had 42 strawberries in his basket . He picked 78 more strawberries . How many strawberries did he have then ?

Ex Output:

120