What is the formula of the perimeter of a square?
The formula for calculating the perimeter of a square is `P = 4s`, where `P` represents the perimeter of the square and `s` represents the side length of the square.
Complete the following task based on the instruction and optional input provided.### Instruction:
What is the formula of the perimeter of a square?

### Output:
The formula for calculating the perimeter of a square is `P = 4s`, where `P` represents the perimeter of the square and `s` represents the side length of the square.