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

<result>480</result>