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: 29 campers went rowing and 66 campers went hiking in the morning. 26 campers went rowing in the afternoon. 

 Question: How many more campers went rowing in the morning than in the afternoon?
answer:
3


question:
Context: 2 children were riding on the bus. At the bus stop some more children got on the bus. Then there were 10 children altogether on the bus. 

 Question: How many more children are on the bus now than there were before the bus stop?
answer:
8


question:
Context: Mary is baking a cake. The recipe calls for 6 cups of sugar and 9 cups of flour. She already put in 2 cups of flour. 

 Question: How many more cups of flour than cups of sugar does she need to add now?
answer:

1