There are three exactly the same rectangular volume blocks. Their length is 8 cm, width 4 cm, and height 2 cm. Now build up the three blocks into a long cuboid. How can the surface area be maximized? What is the largest square centimeter?
有三块完全一样的长方体积木，它们的长是8厘米、宽4厘米、高2厘米，现把三块积木搭成一个长的长方体，怎样搭表面积最大？最大是多少平方厘米？
<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<gadget id="calculator">8 * 2</gadget>
<output>16</output>

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

<gadget id="calculator">32 + 16 + 8</gadget>
<output>56</output>

<gadget id="calculator">56 * 2 * 3</gadget>
<output>336</output>

<gadget id="calculator">4 * 2 * 4</gadget>
<output>32</output>

<gadget id="calculator">336 - 32</gadget>
<output>304</output>

<result>304</result>