cylindrical container has a base diameter of 6 cm. If a cone with a base diameter of 2 cm and a height of 2 cm is taken out of the container, how many centimeters will the water level drop?
一个圆柱形容器的底面直径是6厘米．把一个底面直径是2厘米，高是2厘米的圆椎体从这个容器中取出，水面要下降多少厘米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9</gadget>
<output>28.26</output>

<gadget id="calculator">2 / 28.26</gadget>
<output>0.070771</output>

<gadget id="calculator">(1/3) * 3.14 * 1 * 0.070771</gadget>
<output>0.074074</output>

<result>0.074074</result>