A cylindrical iron block with a base circumference of 31.4 cm and a height of 10 cm is melted and cast into a cone with a base area of 25 cm**2. What is the height of the cone?
把一个底面周长31.4cm，高是10cm的圆柱形铁块，熔铸成一个底面积是25cm**2的圆锥，这个圆锥的高是多少？
<gadget id="calculator">31.4 / 3.14 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">3 / 25</gadget>
<output>3/25 = around 0.12</output>

<gadget id="calculator">3.14 * 25 * 10 * (3/25)</gadget>
<output>94.2</output>

<result>94.2</result>