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: On a hot day , Sam poured 1 bucket of water into a plastic wading pool . A few minutes later he added another 8.8 buckets . How much water did Sam pour into the pool ?
Example Output: 9.8

Example Input: Marilyn starts with 51 bottle caps . She shares 36 with Nancy . How many bottle caps does Marilyn end with ?
Example Output: 15

Example Input: Angela has 11 tickets . Annie gives Angela 4 more . How many tickets does Angela have in all ?
Example Output:
15