If a cuboid whose length, width and height are 5 cm, 4 cm, and 3 cm, respectively, is cut into two cuboids, what is the maximum sum of the surface areas?
一个长宽高分别是5厘米、4厘米、3厘米的长方体，截成两个长方体，表面积之和最大是多少．
<gadget id="calculator">5 * 4</gadget>
<output>20</output>

<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<gadget id="calculator">20 + 15 + 12</gadget>
<output>47</output>

<gadget id="calculator">47 * 2</gadget>
<output>94</output>

<gadget id="calculator">5 * 4 * 2</gadget>
<output>40</output>

<gadget id="calculator">94 + 40</gadget>
<output>134</output>

<result>134</result>