Find the Volume of a Rectangular Solid with Dimensions of 7

Multiple Choice

Find the volume of a rectangular solid with dimensions of 7 by 6 by 6 centimeters.

A) $248 \mathrm {~cm} ^ { 3 }$
B) $19 \mathrm {~cm} ^ { 3 }$
C) $252 \mathrm {~cm} ^ { 3 }$
D) $256 \mathrm {~cm} ^ { 3 }$
E) none of these