A cuboid is three times as long as it is wide and twice as high as it is wide. Given that the length of the cuboid is 12 cm, find the surface area of the cuboid.
一个长方体的长是宽的3倍，高是宽的2倍．已知这个长方体的长是12厘米，求长方体的表面积．
<gadget id="calculator">12 / 3</gadget>
<output>4</output>

<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">12 * 8</gadget>
<output>96</output>

<gadget id="calculator">4 * 8</gadget>
<output>32</output>

<gadget id="calculator">48 + 96 + 32</gadget>
<output>176</output>

<gadget id="calculator">176 * 2</gadget>
<output>352</output>

<result>352</result>