A cylindrical iron rod with a volume of 189 cubic centimeters and a square iron block with a side length of 5 cm are melted into a conical iron block with a radius of 1 cm. What is the height of the cast iron block?
把一个体积是189立方厘米的圆柱形铁棒和一个棱长是5厘米的正方体铁块熔成一个半径是1厘米的圆锥形铁块，铸成的圆锥形铁块的高是多少？
<gadget id="calculator">5 * 5 * 5</gadget>
<output>125</output>

<gadget id="calculator">189 + 125</gadget>
<output>314</output>

<gadget id="calculator">3.14 * 1 * 1</gadget>
<output>3.14</output>

<gadget id="calculator">3 / 3.14</gadget>
<output>0.955414</output>

<gadget id="calculator">314 * 0.955414</gadget>
<output>299.999996</output>

<result>299.999996</result>