A cuboid has squares on its upper and lower faces, and its surface area is 126 square centimeters. If it can be cut into three cubes of the same size, what is the surface area of each cube in square centimeters?
一个长方体上、下两个面都是正方形，它的表面积是126平方厘米，能切成3个一样大小的正方体，每个正方体的表面积是多少平方厘米．
<gadget id="calculator">3 * 3 * 6</gadget>
<output>54</output>

<result>54</result>