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

### Instruction:
Four runners ran a combined total of 195 miles last week. Katarina ran 51 miles. Tomas, Tyler, and Harriet all ran the same distance. How many miles did Harriet run?

### Response:
195 miles - 51 miles = 144 miles = miles the 3 runners ran
144 miles/3 runners = <<144/3=48>>48 miles
Harriet ran <<48=48>>48 miles.
#### 48