There are three cubes of equal size, bundle them into a cuboid, the surface area is reduced by 24 square decimeters from the original, find the surface area of the cube.
有三个大小相等的正方体，将它们捆成一个长方体，表面积比原来减少24平方分米，求正方体的表面积．
<gadget id="calculator">24 / 4</gadget>
<output>6</output>

<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<result>36</result>