A cylindrical glass cup filled with water with a bottom diameter of 1.6 decimeters and a height of 2 decimeters. A plumb bob with a bottom diameter of 1.2 decimeters and a height of 1.2 decimeters is placed in the water. When the plumb bob is taken out, the cup How many centimeters has the water level dropped?
一个底面直径为1.6分米、高为2分米的装满水的圆柱形玻璃杯，水中放着一个底面直径为1.2分米、高为1.2分米的铅锤，当取出铅锤后，杯里的水面下降了多少厘米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1.2 / 2</gadget>
<output>0.6</output>

<gadget id="calculator">0.6 ** 2</gadget>
<output>0.36</output>

<gadget id="calculator">1.6 / 2</gadget>
<output>0.8</output>

<gadget id="calculator">0.8 ** 2</gadget>
<output>0.64</output>

<gadget id="calculator">3.14 * 0.64</gadget>
<output>2.0096</output>

<gadget id="calculator">1.2 / 2.0096</gadget>
<output>0.597134</output>

<gadget id="calculator">(1/3) * 3.14 * 0.36 * 0.597134</gadget>
<output>0.225</output>

<result>0.225</result>