cube with a surface area of 54 square centimeters is cut into two equal cuboids and reassembled into a cuboid. What is the maximum surface area of this cuboid?
一个表面积为54平方厘米的正方体，切成两个完全相等的长方体后，重新拼成了一个长方体，这个长方体的表面积最大是多少平方分米．
<gadget id="calculator">54 / 6</gadget>
<output>9</output>

<gadget id="calculator">2 - 1</gadget>
<output>1</output>

<gadget id="calculator">6 + 1</gadget>
<output>7</output>

<gadget id="calculator">7 / 100</gadget>
<output>7/100 = around 0.07</output>

<gadget id="calculator">9 * (7/100)</gadget>
<output>63/100 = around 0.63</output>

<result>63/100 = around 0.63</result>