Create an equation for calculating the total distance walked.
D = d * n 

Where:
D = total distance walked,
d = distance in one walk,
n = number of walks taken.
Below is an instruction that describes a task, write a response that appropriately completes the request.

### Instruction:
Create an equation for calculating the total distance walked.

### Response:
D = d * n 

Where:
D = total distance walked,
d = distance in one walk,
n = number of walks taken.