A cube container is 10cm long from the inside, and the depth of water inside is 5.5cm. If a cylindrical iron piece with a ground radius of 2cm and a height of 5cm is submerged in water, how many centimeters will the water level rise?
一个正方体容器，从里面量棱长10cm，里面装的水深5.5cm，如果把一个地面半径为2cm，高为5cm的圆柱铁件浸没水中，水面将上升多少厘米？
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

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

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">3.14 * 4 * (1/20)</gadget>
<output>0.628</output>

<result>0.628</result>