Below is an instruction that describes a task. Write a response that appropriately completes the request in English. Please answer in English.

### Instruction:
Jim ran 16 miles in 2 hours while Frank ran 20 miles in 2 hours. How many more miles did Frank run than Jim in an hour?

### Response:
Jim ran 16 miles / 2 hours = <<16/2=8>>8 miles/hour.
Frank ran 20 miles / 2 hours = <<20/2=10>>10 miles/hour.
Frank ran 10 miles/hour - 8 miles/hour = <<10-8=2>>2 miles more per hour than Jim.
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