The surface area of a cuboid is 40 square centimeters. If this cuboid is divided into two equal cubes, what is the surface area of each cube?
一个长方体的表面积是40平方厘米，把这个长方体平均分成两个相等的正方体，每个正方体的表面积是多少平方厘米．
<gadget id="calculator">40 / 10</gadget>
<output>4</output>

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

<result>24</result>