A cone whose height is 6 cm and whose base radius is 2 cm has a volume equal to the volume of a cylinder with the same base and height.
一个圆锥，它的高是6厘米，底面半径是2厘米，体积是和它等底等高的圆柱体积的多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>