Detailed Instructions: Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.
See one example below:
Problem: robin bought 11 sodas for her and her friends . if they only drank 3 of them how many extras did she have ?
Solution: 8
Explanation: Extra sodas is total - drank = 11-3 = 8

Problem: gwen had 10 fish and her sister had 5 fish . how many fish did they have total ?
Solution:
15