You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Ex Input:
Marilyn starts with 51 bottle caps . She shares 36 with Nancy . How many bottle caps does Marilyn end with ?

Ex Output:
15


Ex Input:
A number is 14 less than the sum of 30 and 29 . What is the number ?

Ex Output:
45


Ex Input:
Nicholas starts with 8 bottle caps . He gets 85 more from Catherine . How many bottle caps does Nicholas end with ?

Ex Output:

93