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.

Context: Paco had 13 cookies. He ate 2 of them. Then he bought 36 more cookies

Question: How many more cookies did he buy than those he ate?
34

Context: Carol was sending out birthday invitations to her friends. Each package of invitations she bought had 10 invitations in it and she bought 7 packs. If she sends invitations to only 2 friends

Question: How many invitations will be left?
68

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?
6