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]: If Benjamin strolled 14 miles at 2 miles per hour , how long was Benjamin travelling ?
[EX A]: 7

[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]: While making pastries , a bakery used 0.2 bag of wheat flour and 0.1 bag of white flour . How many bags of flour did the bakery use in all ?
[EX A]:
0.3