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: Allan brought 2 balloons and Jake brought 3 balloons to the park. 

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

A: 1
****
Q: Context: Jerry had some action figures on a shelf in his room. Later he added 2 more action figures to the shelf and removed 7 of the old ones. If there are 10 action figures on his shelf now 

 Question: How many action figures did he have initially on the shelf?

A: 15
****
Q: Context: 46 campers went rowing on a day. 43 campers went rowing in the morning and some more campers went rowing in the afternoon. 

 Question: How many campers went rowing in the afternoon?

A:
3
****