Solve the Problem $$V ( s ) = s ^ { 3 }$$

Solve the problem.
-The volume of a cube is a function of its side, s, where $$V ( s ) = s ^ { 3 }$$ . Find the volume of a cube if its side is 9 centimeters.

A) $27 \mathrm {~cm} ^ { 3 }$
B) $27 \mathrm {~cm} ^ { 2 }$
C) $729 \mathrm {~cm} ^ { 2 }$
D) $729 \mathrm {~cm} ^ { 3 }$