instruction:
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.
question:
At a restaurant each adult meal costs $ 2 and kids eat free . If a group of 15 people came in and 9 were kids , how much would it cost for the group to eat ?
answer:
12

question:
On Saturday , Sara spent $ 10.62 each on 2 tickets to a movie theater . Sara also rented a movie for $ 1.59 , and bought a movie for $ 13.95 . How much money in total did Sara spend on movies ?
answer:
36.78

question:
There were 13 friends playing a video game online when 8 players quit . If each player left had 6 lives , how many lives did they have total ?
answer:
30