Put a conical iron block with a base radius of 5 cm and a height of 6 cm into a cylindrical container filled with water and submerge it completely. It is known that the inner diameter of the cylinder is 20 cm. How many centimeters will the water level rise after the iron block is placed?
把一个底半径5厘米，高6厘米的圆锥体铁块放入到装有水圆柱形容器中，完全浸没，已知圆柱的内直径是20厘米，铁块放入后水面会上升多少厘米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">(1/3) * 3.14 * 25 * 6</gadget>
<output>157</output>

<gadget id="calculator">20 / 2</gadget>
<output>10</output>

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

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

<gadget id="calculator">157 / 314</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>