Use 12 cuboids with a length of 5 cm, a width of 3 cm, and a height of 4 cm to form a cuboid with the smallest surface area. What is the surface area of the cuboid obtained after stacking?
用12个长5厘米、宽3厘米，高为4厘米的，长方体码成一个表面积最小的长方体．码放后得到的这个长方体的表面积是多少？
<gadget id="calculator">8 * 10</gadget>
<output>80</output>

<gadget id="calculator">9 * 10</gadget>
<output>90</output>

<gadget id="calculator">8 * 9</gadget>
<output>72</output>

<gadget id="calculator">80 + 90 + 72</gadget>
<output>242</output>

<gadget id="calculator">242 * 2</gadget>
<output>484</output>

<result>484</result>