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.

Context: Every day Ryan spends a total of 3 hours on learning english and chinese. If he spends 2 hours on learning english everyday 

 Question: How many hours does he spend on learning chinese?
1

Context: Jake has 7 fewer peaches than Steven and 9 more peaches than Jill. Steven has 16 peaches. 

 Question: How many peaches does Jake have?
9

Context: If they are already at 659 feet and the cave is 762 feet deep 

 Question: How much farther until they reach the end of the cave?

103