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: Jerry had 9 action figures on a shelf in his room. Later he added 7 more action figures to the shelf. If he also has 10 books on the shelf 

 Question: How many more action figures than books were on his shelf?

Answer: 6


Question: Context: Zachary did 51 push-ups and David did 44 push-ups in gym class today. 

 Question: How many more push-ups did Zachary do than David?

Answer: 7


Question: Context: There were 6 roses and 20 orchids in the vase. Jessica cut some more roses and orchids from her flower garden. There are now 21 orchids and 22 roses in the vase. 

 Question: How many more roses than orchids are there in the vase now?

Answer:
1