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.
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Question: A lawyer bills her clients 200 dollars per hour of service . If a client 's case requires 39 hours to complete , use proportion to calculate how much the client will owe the lawyer in dollars .

Answer: 7800


Question: A pet store has 8 bird cages . If each cage has 2 parrots and 7 parakeets in it , how many birds does the pet store have total ?

Answer: 72


Question: Adam bought 2 boxes of chocolate candy and 5 boxes of caramel candy . If each box has 4 pieces inside it , how much candy did he have total ?

Answer:
28