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: Rachel had to complete 8 pages of math homework. If she had to complete 3 more pages of math homework than reading homework 

 Question: How many pages did she have to complete in all?
[A]: 13


[Q]: Context: Jack received 6 emails in the morning and 8 emails in the afternoon. 

 Question: How many more emails did Jack receive in the afternoon than in the morning?
[A]: 2


[Q]: Context: At the arcade Dave had won 13 tickets. If he used 8 to buy some toys and 18 more to buy some clothes 

 Question: How many more tickets did Dave use to buy clothes than he did to buy toys?
[A]:
10