If two cubes with side lengths of 6 cm are put together to form a cuboid, the surface area is reduced by how many square centimeters.
两个棱长为6厘米的正方体拼成一个长方体，表面积减少了多少平方厘米．
<gadget id="calculator">6 * 6 * 2</gadget>
<output>72</output>

<result>72</result>