You are given a math word problem and you are supposed to apply addition or subtraction 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: An oil pipe in the sea broke . Before engineers started to fix the pipe , 6522 liters of oil leaked into the water . While the engineers worked , the pipe leaked 5165 more liters of oil . In all , how many liters of oil leaked into the water ?

Answer: 11687


Question: Joan has 47 green and 48 red marbles . Fred took 24 of Joan 's green marbles . How many green marbles does Joan now have ?

Answer: 23


Question: For a birthday party Cody bought 4 regular sodas and 44 diet sodas . If his fridge would only hold 6 on each shelf , how many shelves would he fill up ?

Answer:
8