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 6 cups of sugar and 14 cups of flour. She already put in 7 cups of flour and 60 cups of sugar.

Question: How many more cups of flour does she need to add?
[A]: 7

[Q]: 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?
[A]: 19

[Q]: Context: Jack received 6 emails in the morning and 2 emails in the afternoon.

Question: How many more emails did Jack receive in the morning than in the afternoon?
[A]:
4