Find the volumes of a cylinder and a cone with a base diameter of 8m and a height of 6m respectively.
分别求底面直径为8m，高为6m的圆柱和圆锥的体积．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16 * 6</gadget>
<output>301.44</output>

<gadget id="calculator">(1/3) * 301.44</gadget>
<output>100.48</output>

<result>100.48</result>