instruction:
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.
question:
Context: Paco had 41 cookies. He gave 9 cookies to his friend and ate 18 cookies. 

 Question: How many more cookies did he eat than those he gave to his friend?
answer:
9


question:
Context: Next on his checklist is wax to stick the feathers together. If the feathers require 166 g of wax and right now he has 20 g 

 Question: How many more grams of wax does he need?
answer:
146


question:
Context: Jack received 10 emails in the morning, 7 emails in the afternoon and 17 emails in the evening. 

 Question: How many more emails did Jack receive in the morning than in the afternoon?
answer:

3