A cylindrical steel with a radius of 5 cm and a length of 10 cm is cast into a cone with a base area of 314 cm2. What is the height of the cone in cm?
把一根半径5厘米，长10厘米的圆柱形钢材铸成一个底面积是314平方厘米的圆锥，圆锥的高是多少厘米？
<gadget id="calculator">5 ** 2</gadget>
<output>25</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>