A cuboid whose length, width and height are three consecutive natural numbers, the sum of the sides is 72 centimeters, what is the volume of the cuboid in cubic centimeters?
一个棱长和是72厘米的长方体，长、宽、高是三个连续自然数，这个长方体的体积是多少立方厘米．
<gadget id="calculator">72 / 4</gadget>
<output>18</output>

<gadget id="calculator">18 / 3</gadget>
<output>6</output>

<gadget id="calculator">6 + 1</gadget>
<output>7</output>

<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">7 * 6 * 5</gadget>
<output>210</output>

<result>210</result>