A cylindrical aluminum block with a base radius of 5 cm and a height of 10 cm is melted and cast into a conical aluminum block with a base radius of 10 cm. What is the height of the cone in cm?
把一块底面半径5厘米，高10厘米的圆柱形铝块，熔铸成一个底面半径10厘米的圆锥形铝块，圆锥的高是多少厘米？
<gadget id="calculator">5 ** 2</gadget>
<output>25</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">3.14 * 25 * 10 * (3/314)</gadget>
<output>7.5</output>

<result>7.5</result>