Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.

[Q]: mike owned 64 baseball cards . for his birthday he got 18 more . how many cards does mike have total ?
[A]: 82

[Q]: alexa and katerina stood on a scale together . the scale read 95 pounds . alexa knows she weighs 46 pounds . how much does katerina weigh ?
[A]: 49

[Q]: kale mowed his lawn 8 times total during the spring . if he mowed it 5 times in the summer . what 's the difference between the number of times on mowing in the spring and summer ?
[A]:
3