The volume of a cone is 12.56m**3, what is the volume of a cylinder with the same base and height in m**3.
圆锥的体积是12.56m**3，与它等底等高的圆柱的体积是多少m**3．
<gadget id="calculator">12.56 * 3</gadget>
<output>37.68</output>

<result>37.68</result>