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: Rachel picked 7 ripe apples from her tree. Now the tree has 5 apples still on it. If 3 of those are ripe and the rest are unripe 

 Question: How many unripe apples does the tree have now?
Example Output: 2

Example Input: Context: There were 21 roses in the vase. Jessica threw away 34 roses from the vase and cut some more new roses from her flower garden to put in the vase. There are now 15 roses in the vase. 

 Question: How many more roses did she throw away than those she cut from her garden?
Example Output: 6

Example Input: Context: Allan brought 2 balloons to the park and then bought 3 more balloons there. If Jake brought 6 balloons to the park 

 Question: How many more balloons did Jake have than Allan in the park?
Example Output:
1