The volume of a cone is 80cm**3, the area of the base is 16cm**2, what is the height?
一个圆锥的体积是80cm**3，底面积是16cm**2，高是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">80 / (1/3) / 16</gadget>
<output>15</output>

<result>15</result>