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.

[Q]: Context: Paul had 108 books. After selling some books in a garage sale and giving 35 books to his friend he had 62 books left. 

 Question: How many books did he sell in the garage sale?
[A]: 11


[Q]: Context: Paul had 42 pens and 143 books. After selling some books and pens in a garage sale he had 113 books and 19 pens left. 

 Question: How many pens did he sell in the garage sale?
[A]: 23


[Q]: Context: Josh had 15 marbles in his collection. He found 9 marbles while he lost 23 marbles. 

 Question: How many more marbles did he lose than those he found?
[A]:
14