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

[EX Q]: There were 2 friends playing a video game online when 2 more players joined the game . If each player had 8 lives , how many lives did they have total ?
[EX A]: 32

[EX Q]: 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 ?
[EX A]: 12

[EX Q]: A furniture store has a chair , originally priced at 78 dollars , on sale for 46 dollars . What is the percent of decrease , rounded to the nearest tenth ?
[EX A]:
41