You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.

[EX Q]: This afternoon Craig left school , rode the bus 3.8333333333333335 miles , and then walked 0.16666666666666666 mile to get home . How much farther did Craig ride than walk ?
[EX A]: 3.6666666666666665

[EX Q]: Mike has 87 baseball cards . Sam bought 13 of Mike 's baseball cards . How many baseball cards does Mike have now ?
[EX A]: 74

[EX Q]: Sally grew 6 carrots . Fred grew 4 carrots . How many carrots did they grow in all ?
[EX A]:
10