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: Mary is baking a cake. The recipe calls for 5 cups of sugar and 13 cups of flour. She already put in some cups of flour. If she still needs 12 more cups of flour 

 Question: How many cups of flour did she put in?
1

Context: Jake has 5 fewer peaches than Steven. Steven has 18 more peaches than Jill. If Jill has 87 peaches 

 Question: How many more peaches does Jake have than Jill?
13

Context: Jerry had 9 action figures on a shelf in his room. Later he added 7 more action figures to the shelf. If he also has 10 books on the shelf 

 Question: How many more action figures than books were on his shelf?

6