You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

[EX Q]: Will was working as a sacker at a grocery store where he made 8 dollars an hour . On Monday he worked 8 hours and on Tuesday he worked 2 hours . How much money did Will make in those two days ?
[EX A]: 80

[EX Q]: Megan has 19 seashells . How many more seashells does she need to find to have 25 seashells in her collection ?
[EX A]: 6

[EX Q]: Craig walked 0.2 mile from school to David 's house and 0.7 mile from David 's house to his own house . How many miles did Craig walk in all ?
[EX A]:
0.9