If the area of the base of a cone is 4 square decimeters and the height is 3 decimeters, what is its volume in cubic decimeters?
一个圆锥的底面积是4平方分米，高3分米，它的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">(1/3) * 4 * 3</gadget>
<output>4</output>

<result>4</result>