If 3 cubes with side lengths of 4 decimeters are glued together to form a cuboid, the surface area of the cuboid is by how many square decimeters less than the surface area of the 3 cubes.
用3个棱长4分米的正方体粘合成一个长方体，长方体的表面积比3个正方体的表面积少多少平方分米．
<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

<result>64</result>