A cylinder and a cone have the same base and height, the sum of their volumes is 72 cubic decimeters, what is the difference in their volumes in cubic centimeters?
一个圆柱和一个圆锥等底等高，他们的体积之和是72立方分米，他们的体积相差多少立方厘米．
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">72 * (3/4)</gadget>
<output>54</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">72 * (1/4)</gadget>
<output>18</output>

<gadget id="calculator">54 - 18</gadget>
<output>36</output>

<gadget id="calculator">36 * 1_000</gadget>
<output>36_000</output>

<result>36_000</result>