instruction:
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.
question:
0.5 the students in the band are in the trumpet section . 0.125 the students in the band are in the trombone section . What fraction of the students in the band are in either the trumpet section or the trombone section ?
answer:
0.625

question:
Carol and her mom were picking carrots from their garden . Carol picked 29 and her mother picked 16 . If only 38 of the carrots were good , how many bad carrots did they have ?
answer:
7

question:
At the town carnival Oliver rode the ferris wheel 5 times and the bumper cars 4 times . If each ride cost 7 tickets , how many tickets did he use ?
answer:
63