A conical iron block with a base diameter of 40 cm and a height of 12 cm is melted and cast into a cylindrical iron block with a base radius of 10 cm. What is the height of this cylindrical iron block?
把一个底面直径40厘米，高12厘米的圆锥形铁块熔铸成一个底面半径10厘米的圆柱形铁块，这个圆柱形铁块的高是多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">40 / 2</gadget>
<output>20</output>

<gadget id="calculator">20 ** 2</gadget>
<output>400</output>

<gadget id="calculator">(1/3) * 3.14 * 400 * 12</gadget>
<output>5_024</output>

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

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

<gadget id="calculator">5_024 / 314</gadget>
<output>16</output>

<result>16</result>