If the sum of the sides of a cuboid is 72 cm, what is the sum of its length, width, and height in cm?
一个长方体的棱长总和是72厘米，它的长、宽、高的和是多少厘米．
<gadget id="calculator">72 / 4</gadget>
<output>18</output>

<result>18</result>