The length, width, and height of a cuboid are 6 cm, 5 cm, and 4 cm, respectively. If it is cut into three small cuboids of equal volume, what is the maximum sum of the surface areas of these three small cuboids?
一个长方体的长、宽、高分别是6厘米、5厘米和4厘米，若把它切割成三个体积相等的小长方体，这三个小长方体表面积的和最大是多少平方厘米？
<gadget id="calculator">30 + 24 + 20</gadget>
<output>74</output>

<gadget id="calculator">74 * 2</gadget>
<output>148</output>

<gadget id="calculator">5 * 6 * 4</gadget>
<output>120</output>

<gadget id="calculator">148 + 120</gadget>
<output>268</output>

<result>268</result>