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.

Example Input: Joan had 695 Pokemon cards , and 6 were torn . Sara bought 133 of Joan 's Pokemon cards . How many Pokemon cards does Joan have now ?
Example Output: 562

Example Input: Joan has 9 blue balloons but lost 2 of them . How many blue balloons does Joan have now ?
Example Output: 7

Example Input: Teresa starts with 52 bananas . She gets 2 more from Rachel . How many bananas does Teresa end with ?
Example Output:
54