cylindrical container with a base radius of 10 cm contains water, and a conical iron block with a base diameter of 10 cm and a height of 12 cm is placed in the water. By how many centimeters does the water level in the cup drop when the iron block is taken out of the container?
一个底面半径是10厘米的圆柱形容器中装有水，水中放着一个底面直径10厘米、高12厘米的圆锥形铁块．当把铁块从容器中拿出后，杯里的水面下降多少厘米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

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

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

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

<gadget id="calculator">12 / 314</gadget>
<output>6/157 = around 0.038217</output>

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

<result>1</result>