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.
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Question: Context: There were 12 roses and 2 orchids in the vase. Jessica cut some more roses and orchids from her flower garden. There are now 10 roses and 21 orchids in the vase.

Question: How many orchids did she cut?

Answer: 19

Question: Context: The grasshopper and the frog had a jumping contest. The grasshopper jumped 9 inches and the frog jumped 12 inches.

Question: How much farther did the frog jump than the grasshopper?

Answer: 3

Question: Context: At the arcade Dave had won 18 tickets. If he used 5 to buy some toys and 11 more to buy some clothes

Question: How many tickets did Dave have left?

Answer:
2