If the area of the base of a cone is 3 square decimeters and the height is 8 centimeters, what is its volume in cubic centimetres?
一个圆锥的底面积是3平方分米，高是8厘米，它的体积是多少立方厘米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 * 100</gadget>
<output>300</output>

<gadget id="calculator">(1/3) * 300 * 8</gadget>
<output>800</output>

<result>800</result>