In a cylindrical bottle with base radius 10 cm, the water depth is 8 cm. A piece of iron with a length and width of 8 cm and a height of 15 cm is placed in the bottle. If the iron is placed vertically in the water, how many centimeters will the water level rise?
在一个底面半径是10厘米的圆柱形瓶中，水深是8厘米．要将瓶中放入长和宽都是8厘米，高是15厘米的一块铁块，把铁块竖放于水中，水面上升多少厘米？
<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

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

<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<gadget id="calculator">314 - 64</gadget>
<output>250</output>

<gadget id="calculator">8 / 250</gadget>
<output>4/125 = around 0.032</output>

<gadget id="calculator">3.14 * 100 * (4/125)</gadget>
<output>10.048</output>

<gadget id="calculator">10.048 - 8</gadget>
<output>2.048</output>

<result>2.048</result>