Cut a cube into two equal cuboids, the sum of the surface areas of the two cuboids increases by 108cm**2 compared to the original one, find the surface area of the original cube.
将一个正方体切成两个相等的长方体，得到两个长方体的表面积的和比原来增加了108cm**2，求原正方体的表面积．
<gadget id="calculator">108 / 2</gadget>
<output>54</output>

<gadget id="calculator">54 * 6</gadget>
<output>324</output>

<result>324</result>