If the volume of a cylinder with equal base and height is 8 cm**3 more than that of a cone, what is the volume of the cone in cm**3?
等底等高的圆柱的体积比圆锥的体积多8cm**3，则圆锥的体积为多少cm**3．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">8 * (1/2)</gadget>
<output>4</output>

<result>4</result>