Consider a cuboid whose base is a square with side length 2 cm. It can be cut into 4 cubes exactly along the height. The total surface area of these cubes is equal to the surface area of the original cuboid.
有一个长方体，底面是边长2厘米的正方形．沿着高正好可截成4个正方体．这些正方体一共增加的表面积是原来长方体表面积的多少．
<gadget id="calculator">2 * 2 * 6</gadget>
<output>24</output>

<gadget id="calculator">4 + 16 + 16</gadget>
<output>36</output>

<gadget id="calculator">36 * 2</gadget>
<output>72</output>

<gadget id="calculator">24 / 72</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>