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.

Q: Jessica grew 35 watermelons and 30 carrots , but the rabbits ate 27 watermelons . How many watermelons does Jessica have ?

A: 8
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Q: If Lawrence walked 4 kilometers at 3 kilometers per hour , how long was Lawrence walking ?

A: 1
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Q: Ezra drew a white line that was 7.666666666666667 inches long . Then he drew a blue line that was 3.3333333333333335 inches long . How much longer was the white line than the blue line ?

A:
4.333333333333333
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