A cuboid iron block with a length of 10 cm, a width of 10 cm, and a height of 3.14 cm is melted and cast into a conical iron block with a bottom diameter of 20 cm. What is the height of this conical iron block?
把一块长10厘米、宽10厘米、高3.14厘米的长方体铁块熔铸成底面直径是20厘米的圆锥形铁块．这个圆锥形铁块的高是多少厘米？
<gadget id="calculator">20 / 2</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">314 / 314</gadget>
<output>1</output>

<gadget id="calculator">1 * 3</gadget>
<output>3</output>

<result>3</result>