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.

Input: Consider Input: 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 ?

Output: 49

Input: Consider Input: While on vacation , Megan took 15 pictures at the zoo and 18 at the museum . If she later deleted 31 of the pictures , how many pictures from her vacation did she still have ?

Output: 2

Input: Consider Input: There are 2 pencils in the drawer . Tim placed 3 pencils in the drawer . How many pencils are now there in total ?
Output: 5