There is a cone with a height of 3cm. Cut it into two identical parts from the top to the bottom. The area of each cut surface is 18cm**2. What is the volume of the cone in cm**3?
有一个高3cm的圆锥体，从顶点垂直于底面，将其切成完全一样的两部分，它的每个切面的面积是18cm**2，则圆锥的体积是多少cm**3．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">18 * (2/3)</gadget>
<output>12</output>

<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">6 ** 2</gadget>
<output>36</output>

<gadget id="calculator">(1/3) * 3.14 * 36 * 3</gadget>
<output>113.04</output>

<result>113.04</result>