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: olivia had 7 math problems to complete . she spent about 4 minutes on each problem and then she spent 3 minutes checking her answers . how many minutes did she spend total ?

Answer: 31


Question: lex read another book with 240 pages . if he read the same number of pages for 12 days how many pages did he read every day ?

Answer: 20


Question: lisa rented 4 dvds for $ 4.80 . how much did each dvd cost to rent ?

Answer:
1.2