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: There are 4 cards . 3 cards more are added . How many are there total ?
Example Output: 7

Example Input: Olivia and her mom were picking carrots from their garden . Olivia picked 20 and her mother picked 14 . If only 19 of the carrots were good , how many bad carrots did they have ?
Example Output: 15

Example Input: Fred grew 38 cantelopes . Tim grew 44 cantelopes . How many cantelopes did they grow in total ?
Example Output:
82