If a cuboid of 9 decimeters long is sawed into three sections on average, the surface area will increase by 24 decimeters squared, which is equivalent to the volume of the wood in cubic decimeters.
把一根长9分米的长方体木料，平均锯成三段，表面积增加24平方分米，这跟木料的体积是多少立方分米．
<gadget id="calculator">24 / 4</gadget>
<output>6</output>

<gadget id="calculator">6 * 9</gadget>
<output>54</output>

<result>54</result>