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.

[Q]: Dan had 97 baseball cards , and 8 were torn . Sam bought 15 of Dan 's baseball cards . How many baseball cards does Dan have now ?
[A]: 82


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


[Q]: Dan has $ 3 . He bought a candy bar for $ 1 . How much money is left ?
[A]:
2