Three identical cubes are used to form a cuboid, and the surface area is reduced by 16 square centimeters. What is the surface area of each cube?
用三个完全一样的正方体拼成一个长方体，表面积减少16平方厘米，每个正方体的表面积是多少平方厘米．
<gadget id="calculator">16 / 4</gadget>
<output>4</output>

<gadget id="calculator">4 * 6</gadget>
<output>24</output>

<result>24</result>