instruction:
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.
question:
Context: The grasshopper, the frog and the mouse had a jumping contest. The grasshopper jumped 39 inches. The grasshopper jumped 19 inches farther than the frog and the mouse jumped 12 inches lesser than the frog. 

 Question: How far did the mouse jump?
answer:
8


question:
Context: Baker made 126 cakes and 48 pastries. If he sold 115 cakes and 81 pastries 

 Question: How many more cakes than pastries did baker make?
answer:
78


question:
Context: Some children were riding on the bus. At the bus stop 2 more children got on the bus. Then there were 41 children altogether on the bus. 

 Question: How many children were riding on the bus before the bus stop?
answer:

39