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: There were 7 roses and 12 orchids in the vase. Jessica cut some more roses and orchids from her flower garden. There are now 11 roses and 20 orchids in the vase. 

 Question: How many more orchids than roses are there in the vase now?
9

Context: Danny collects bottle caps and wrappers. He found 11 bottle caps and 28 wrappers at the park. Now he has 68 bottle caps and 51 wrappers in his collection. 

 Question: How many more wrappers than bottle caps did danny find at the park?
17

Context: At the arcade Dave had won 19 tickets. If he used 12 to buy some toys and 7 more to buy some clothes 

 Question: How many more tickets did Dave use to buy toys than he did to buy clothes?

5