A piece of cotton is measured between two marks on a ruler. When the cotton is wrapped tightly around a pen, it makes six complete turns. What is the distance for one complete turn around the pen?
- A$2.2\,\text{cm}$
- B$2.6\,\text{cm}$
- C$13.2\,\text{cm}$
- D$15.6\,\text{cm}$