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: A school has 485 pupils. There are 232 girls and the rest are boys. 

 Question: How many boys are there in that school?

Answer: 253


Question: Context: Tiffany was collecting cans for recycling. On monday she had 8 bags of cans. The next day she found 7 more bags worth of cans. 

 Question: How many more bags did she have on monday than she found on the next day?

Answer: 1


Question: Context: Julia played tag with 15 kids on monday, 18 kids on tuesday and 7 kids on wednesday. 

 Question: How many more kids did she play with on monday and tuesday than on wednesday?

Answer:
26