If a cuboid with a surface area of 40 square decimeters is cut into two identical cubes, what is the surface area of each cube?
把一个表面积是40平方分米的长方体截成二个完全一样的正方体，每个正方体的表面积是多少平方分米．
<gadget id="calculator">1 + 1 + 2 + 2 + 2 + 2</gadget>
<output>10</output>

<gadget id="calculator">40 / 10</gadget>
<output>4</output>

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

<result>24</result>