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: A farmer had 160 tomatoes in his garden. If he picked 56 of them yesterday and 41 today. 

 Question: How many did he have left after yesterday's picking?
[A]: 104


[Q]: Context: Julia played tag with 16 kids on monday. If she played tag with 12 more kids on monday than on tuesday 

 Question: How many kids did she play with on tuesday?
[A]: 4


[Q]: Context: After eating a hearty meal they went to see the Buckingham palace. There, Rachel learned that 317 visitors came to the Buckingham palace that day. If there were 295 visitors the previous day 

 Question: How many more visitors visited the Buckingham palace on that day than on the previous day?
[A]:
22