Express this quantity in a different unit.
15 centimeters
15 centimeters is equivalent to 0.15 meters or 150 millimeters.
Complete the following task based on the instruction and optional input provided.### Instruction:
Express this quantity in a different unit.

### Input:
15 centimeters

### Output:
15 centimeters is equivalent to 0.15 meters or 150 millimeters.