If a cuboid with a length of 12 decimeters, a width of 6 decimeters and a height of 10 decimeters is cut into three identical small cuboids, how much square decimeters can its surface area be increased at most?
把一个长12分米，宽6分米，高10分米的长方体截成3个相同的小长方体，它的表面积最多可以增加多少平方分米？
<gadget id="calculator">12 * 10 * 4</gadget>
<output>480</output>

<result>480</result>