A cylindrical glass container is filled with water, and a conical plumb weight sinks in the water. It is known that the radius of the bottom of the plumb bob is 5 cm, the height is 9 cm, and the radius of the bottom of the container is 10 cm. If the plumb weight is removed from the container, how many centimeters will the water level in the container drop?
-个圆柱形玻璃容器中装满了水，水中沉有一个圆锥形铅锤．已知铅锤的底面半径是5厘米，高是9厘米，容器的底面半径是10厘米．如果从容器中取出铅锤，那么容器中的水面会下降多少厘米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</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>