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 9 crayons in the drawer . Benny placed 3 crayons in the drawer . How many crayons are now there in total ?

Ex Output:
12


Ex Input:
Nancy grew 6 potatoes . Sandy grew 7 potatoes . How many potatoes did they grow in total ?

Ex Output:
13


Ex Input:
Annie has 6 apples . She gets 6 more from Nathan . Later , Annie buys 10 crayons at the store . How many apples does Annie have in all ?

Ex Output:

12