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: There are 7.75 gallons of water in Becky 's fish tank . If Becky adds 7 gallons more , how many gallons will there be in all ?

Answer: 14.75


Question: The Montoya family spends 0.6 their budget on groceries and another 0.2 going out to eat . Altogether , what fraction of their budget does the Montoya family spend on food ?

Answer: 0.8


Question: Tiffany had 6 pages of math homework and 4 pages of reading homework . If each page had 3 problems on it , how many problems did she have to complete total ?

Answer:
30