A cylindrical bucket with a bottom radius of 20cm holds water in it. A conical iron block with a bottom circumference of 62.8cm is sunk into the water. The water level rises by 2cm. What is the height of the conical iron block in centimeters?
一个圆柱形水桶，底面半径是20cm，里面盛水，现将一个底面周长是62.8cm的圆锥形铁块沉入水中，水面上升了2cm，这个圆锥体铁块的高是多少厘米？
<gadget id="calculator">20 ** 2</gadget>
<output>400</output>

<gadget id="calculator">3.14 * 400 * 2</gadget>
<output>2_512</output>

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

<gadget id="calculator">62.8 / 2 / 3.14</gadget>
<output>10</output>

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

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

<gadget id="calculator">2_512 / (1/3) / 314</gadget>
<output>24</output>

<result>24</result>