If a large cuboid is composed of 6 small cuboids whose length, width and height are 1, 2 and 3 respectively, what is the minimum surface area of the cuboid?
用6个长、宽、高分别为1、2、3的小长方体组成一个大长方体，则这个长方体的表面面积最小为多少．
<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<gadget id="calculator">3 * 3</gadget>
<output>9</output>

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

<gadget id="calculator">12 + 9 + 12</gadget>
<output>33</output>

<gadget id="calculator">33 * 2</gadget>
<output>66</output>

<result>66</result>