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 Input:
For the school bake sale Maria made 19 cupcakes . If she sold 5 of them and then made 10 more , how many cupcakes would she have ?

Ex Output:
24


Ex Input:
At a pizza party , Mason and his friends drank 2.6666666666666665 bottles of lemon - lime soda and 2.6666666666666665 bottles of cola . How much soda did they drink in all ?

Ex Output:
5.333333333333333


Ex Input:
Megan has 19 seashells . How many more seashells does she need to find to have 25 seashells in her collection ?

Ex Output:

6