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.

Example Input: At a restaurant each adult meal costs $ 3 and kids eat free . If a group of 12 people came in and 7 were kids , how much would it cost for the group to eat ?
Example Output: 15

Example Input: At the fair Adam bought 10 tickets . After riding the ferris wheel he had 3 tickets left . If each ticket cost 9 dollars , how much money did Adam spend riding the ferris wheel ?
Example Output: 63

Example Input: 6 students were sitting at each table in the lunchroom . There are 34 tables . How many students were sitting in the lunchroom ?
Example Output:
204