Answer:
Volume = L x H x W
To find the volume of a cuboid you must find the area of the face of the cuboid and multiply it by the Width
E.g.(See attached file)
The area of the face = 4 x 3
Area of the face is 12 cm²
The Width is 7 cm
V = 7 x 12 = 84 cm ³
Volume is always in ³