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: 3 birds and 4 storks were sitting on the fence. 2 more birds came to join them. 

 Question: How many more birds than storks are sitting on the fence?
1

Context: Paco had 17 cookies. He ate 14 cookies and gave 13 of them to his friend. 

 Question: How many more cookies did he eat than those he gave to his friend?
1

Context: A farmer had 160 tomatoes in his garden. If he picked 56 of them yesterday and 41 today. 

 Question: How many did he have left after yesterday's picking?

104