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 has 40 blue balloons Melanie has 41 blue balloons . How many blue balloons do they have in total ?
[EX A]: 81

[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

[EX Q]: A waiter had 47 customers to wait on . If 41 customers left and he got another 20 customers , how many customers would he have ?
[EX A]:
26