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.

Lucy went to the grocery store . She bought 12 packs of cookies and 16 packs of noodles . How many packs of groceries did she buy in all ?
28

For the school bake sale Carol made 30 cupcakes . If she sold 9 of them and then made 28 more , how many cupcakes would she have ?
49

There are 2 bananas in a pile on the desk . Each banana comes in a package of 13 . 7 bananas are added to the pile . How many bananas are there in the pile ?

9