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 9 roses and 6 orchids in the vase. Jessica cut some more roses and orchids from her flower garden. There are now 13 orchids and 3 roses in the vase. 

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

Answer: 10


Question: Context: Rachel had to complete 7 pages of math homework. If she had to complete 4 more pages of math homework than reading homework 

 Question: How many pages of reading homework did she have to complete?

Answer: 3


Question: Context: Dan has $ 4. He bought 99 candy bar for $ 3 each one costing the same amount of money. 

 Question: How much money is left?

Answer:
1