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: Lewis earns $ 21 every week during the 216 weeks of harvest. If he has to pay $ 702 tax 

 Question: How much money will have at the end of the harvest season?

Answer: 3834


Question: Context: Dan has $ 4. He had $ 3 left with him after he bought a candy bar. 

 Question: How much did the candy bar cost?

Answer: 1


Question: Context: Danny collects bottle caps and wrappers. He found 15 bottle caps and 18 wrappers at the park. Now he has 67 wrappers and 35 bottle caps in his collection. 

 Question: How many more wrappers than bottle caps does danny have now?

Answer:
32