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]: Joan found 70 seashells on the beach . she gave Sam some of her seashells . She has 27 seashell . How many seashells did she give to Sam ?
[EX A]: 43

[EX Q]: 30 dogs are barking . 10 more dogs start to bark . How many dogs are barking ?
[EX A]: 40

[EX Q]: Benny found 66 seashells and 49 starfish on the beach . He gave 52 of the seashells to Jason . How many seashells does Benny now have ?
[EX A]:
14