In a cylinder filled with water with a base radius of 20 cm, there is a cast steel cone with a base radius of 10 cm submerged in water. After the cone is removed, the water level in the container drops by 5 cm. How tall is the cone in centimeters?
在一个盛满水的底面半径是20厘米的圆柱形容嚣里，有一个底面半径是10厘米的钢铸圆锥体浸没在水中．取出圆锥后，容器内的水面下降5厘米．这个圆锥高多少厘米．
<gadget id="calculator">20 ** 2</gadget>
<output>400</output>

<gadget id="calculator">3.14 * 400 * 5</gadget>
<output>6_280</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">3.14 * 100</gadget>
<output>314</output>

<gadget id="calculator">6_280 / 314</gadget>
<output>20</output>

<gadget id="calculator">20 * 3</gadget>
<output>60</output>

<result>60</result>