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.

[EX Q]: Context: A book has 3 chapters. The first chapter is 35 pages long the second chapter is 18 pages long and the third chapter is 3 pages long. 

 Question: How many more pages does the second chapter have than the third chapter?
[EX A]: 15

[EX Q]: Context: Josh had 3 marbles in his collection. He found 6 marbles while he lost 5 marbles. 

 Question: How many more marbles did he find than those he lost?
[EX A]: 1

[EX Q]: Context: Kelly has 106 nintendo games. 

 Question: How many will she have left if she gives away 64 games?
[EX A]:
42