You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication, or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

[EX Q]: on the actual day of annie 's birthday almost everyone in her class came to surprise her . if annie has 15 girl classmates 20 boy classmates and 3 teachers in her class how many people attended her birthday party ?
[EX A]: 38

[EX Q]: zoe was unboxing some of her old winter clothes . she found 8 boxes of clothing and inside each box there were 4 scarves and 6 mittens . how many pieces of winter clothing did zoe have total ?
[EX A]: 80

[EX Q]: upon finishing the treehouse charlie 's mother served them freshly baked cookies . if charlie ate 15 cookies his father ate 10 and his mother only ate 5 how many cookies were eaten in total ?
[EX A]:
30