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.
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Question: Mary , Sam , Keith , and Alyssa each have 6 baseball cards . How many baseball cards do they have in all ?

Answer: 24


Question: Zoe had 42 bottles of water in her fridge . If she drank 25 of them and then bought 30 more , how many bottles would she have ?

Answer: 47


Question: Nancy has saved 4900 cents from selling lemonade . How many dollars does Nancy have ?

Answer:
49