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.
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Question: Context: Baker's friend bought 137 cakes from him. If he had made 169 cakes initially 

 Question: How many cakes would baker still have?

Answer: 32


Question: Context: Every day Ryan spends 7 hours on learning english, 2 hours on learning chinese and 4 hours on learning spanish. 

 Question: How many more hours does he spend on learning english than he does on learning spanish?

Answer: 3


Question: Context: Jerry had 2 action figures and 10 books on a shelf in his room. Later he added 4 more action figures to the shelf. 

 Question: How many more books than action figures were on his shelf?

Answer:
4