If the length, width and height of the cuboid are reduced to the original (1/3), the volume will be reduced to the original value.
长方体的长、宽、高各缩小到原来的(1/3)，体积就缩小到原来的多少．
<gadget id="calculator">1 / 27</gadget>
<output>1/27 = around 0.037037</output>

<result>1/27 = around 0.037037</result>