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]: Alyssa had 129 cookies . Aiyanna has 140 . How many more cookies does Aiyanna have than Alyssa ?
[EX A]: 11

[EX Q]: A teacher had 7 worksheets to grade . If she graded 2 , but then another 46 were turned in , how many worksheets would she have to grade ?
[EX A]: 51

[EX Q]: Mary ' s mom is getting ready for Mary ' s birthday party . She blew up 6 balloons this morning and 5 balloons this afternoon . How many balloons did she blow up in all ?
[EX A]:
11