What is the volume of a cone whose base area remains the same and whose height is reduced to 1/3 of its original size?
一个圆锥，底面积不变，高缩小为原来的(1/3)，则体积为多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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