If the radius of the base of a cone is 4 decimeters and the height is 6 decimeters, what is the volume in cubic decimeters?
一个圆锥的底面半径是4分米，高是6分米，体积是多少立方分米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">(1/3) * 3.14 * 16 * 6</gadget>
<output>100.48</output>

<result>100.48</result>