The diameter of the base of a cone is 6 decimeters, cut along the diameter of the base, the section obtained is a right triangle, what is the volume of the cone in cubic decimeters?
一个圆锥的底面直径是6分米，沿底面直径切开，得到的切面是直角三角形，圆锥的体积是多少立方分米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">6 * (1/2)</gadget>
<output>3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">(1/3) * 3.14 * 9 * 3</gadget>
<output>28.26</output>

<result>28.26</result>