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]: Sandy grew 6 carrots . Sam grew 3 carrots . How many carrots did they grow in total ?
[EX A]: 9

[EX Q]: Emily collects 63 cards . Emily 's father gives Emily 7 more . Bruce has 13 apples . How many cards does Emily have ?
[EX A]: 70

[EX Q]: Evelyn starts with 18 bottle caps . She finds another 63 . How many bottle caps does Evelyn end with ?
[EX A]:
81

