If 3 cubes with sides of 4 decimeters are glued together to form a cuboid, how much dm**2 is the surface area reduced?
3个棱长4分米的正方体粘合成一个长方体，表面积减少了多少dm**2．
<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

<result>64</result>