If three cubes with side lengths of 4 cm are put together to form a cuboid, what is the reduction in surface area in square centimetres?
把三个棱长4厘米的正方体拼成一个长方体，表面积减少多少平方厘米．
<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

<result>64</result>