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

[EX Q]: ted and fred measured their height . fred 's height is 98 inches . ted is 39 inches tall . what 's the difference between ted 's height and fred 's height ?
[EX A]: 59

[EX Q]: their next destination is lake erie . still in a contest hazel caught 48 different fishes while her father caught 46 how many fishes did they catch in lake erie ?
[EX A]: 94

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