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.

Example Input: Context: Baker made 155 cakes. If his friend bought 140 cakes from him

Question: How many cakes would baker still have?
Example Output: 15

Example Input: Context: Jake has 3 fewer peaches and 10 more apples than Steven. Steven has 12 peaches and 15 apples.

Question: How many more apples than peaches does Steven have?
Example Output: 3

Example Input: Context: There were 13 roses in the vase. Jessica cut some more roses from her flower garden which had a total of 12 roses. There are now 21 roses in the vase.

Question: How many roses are left in the garden?
Example Output:
4