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: Suzie found 2 worms in the yard and measured them with a ruler . 1 worm was 0.8 inch long . The other worm was 0.1 inch long . How much longer was the longer worm ?

Answer: 0.7

Question: At the fair there were 9 people in line for the bumper cars . If 6 of them got tired of waiting and left and 3 more got in line , how many people would be in line ?

Answer: 6

Question: Mrs. Franklin had 58 Valentines . Mrs. Franklin gave some to her students . Now she has 16 . How many Valentines did Mrs. Franklin give to her students ?

Answer:
42