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.

Q: Context: Mary is baking a cake. The recipe calls for 3 cups of sugar 10 cups of flour and 15 cups of salt. She already put in 6 cups of flour. 

 Question: How many more cups of flour does she need to add?

A: 4
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Q: Context: There were 5 roses and 3 orchids in the vase. Jessica cut some more roses and orchids from her flower garden. There are now 12 roses and 2 orchids in the vase. 

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

A: 10
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Q: Context: Jack received 4 emails in the morning and some more in the afternoon. If he received a total of 5 emails in the day 

 Question: How many emails did Jack receive in the afternoon?

A:
1
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