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: Donald has 4 oranges . He finds another 5 . How many oranges does Donald have in all ?
Example Output: 9

Example Input: Joan had 5 dimes in her bank . She spent 2 of her dimes . How many dimes does she have now ?
Example Output: 3

Example Input: Katherine has 34 bottle caps . 8 are eaten by a hippopotamus . How many bottle caps will Katherine have ?
Example Output:
26