A cylinder with a height of 4 decimeters and a volume of 48 cubic decimeters is 4 cubic decimeters larger than the volume of a cone with the same base. What is the height of this cone?
一个圆柱体，高4分米，体积是48立方分米，比与它等底的圆锥体的体积多4立方分米，这个圆锥体的高是多少．
<gadget id="calculator">48 - 4</gadget>
<output>44</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<gadget id="calculator">44 / (1/3) / 12</gadget>
<output>11</output>

<result>11</result>