You are given a math word problem and you are supposed to only use subtraction on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Example Input: Context: Marco and his dad went strawberry picking. Marco's strawberries weighed 10 pounds. If together their strawberries weighed 26 pounds.

Question: How much more did his dad's strawberries weigh than his?
Example Output: 6

Example Input: Context: Ed had 5 more marbles than Doug. Doug lost 3 of his marbles at the playground. If Ed had 27 marbles

Question: How many marbles did Doug have initially?
Example Output: 22

Example Input: Context: After a typhoon, 2 trees in Haley's backyard died. If she had grown 12 trees initially

Question: How many trees does she have left?
Example Output:
10