If 4 cubes with sides of 3 decimeters are glued together to form a cuboid, how many square decimeters will their surface area be reduced at most?
把4块棱长都是3分米的正方体粘成一个长方体，它们的表面积最多会减少多少平方分米？
<gadget id="calculator">3 * 3 * 8</gadget>
<output>72</output>

<result>72</result>