Please estimate the size of the circumference of the following circle
The diameter of the circle is 12 cm
The circumference of a circle can be calculated by multiplying the diameter with the value of pi (3.14159). If the diameter of the circle is 12 cm, then the circumference will be approximately 12 * 3.14159 = 37.69908 cm.
Complete the following task based on the instruction and optional input provided.### Instruction:
Please estimate the size of the circumference of the following circle

### Input:
The diameter of the circle is 12 cm

### Output:
The circumference of a circle can be calculated by multiplying the diameter with the value of pi (3.14159). If the diameter of the circle is 12 cm, then the circumference will be approximately 12 * 3.14159 = 37.69908 cm.