A cylindrical steel material with a base radius of 5 cm and a height of 6 cm is cast into a cone with a base radius of 10 cm. Find the height of the cone.
把底面半径是5厘米，高是6厘米的圆柱形钢材，铸造成一个底面半径是10厘米的圆锥．求圆锥体的高．
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">3.14 * 25 * 6</gadget>
<output>471</output>

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

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

<gadget id="calculator">3 / 314</gadget>
<output>3/314 = around 0.009554</output>

<gadget id="calculator">471 * (3/314)</gadget>
<output>9/2 = around 4.5</output>

<result>9/2 = around 4.5</result>