There are two conical containers filled with water with a bottom radius of 10 cm and a height of 30 cm. Pour all the water contained in them into a cylindrical container with a bottom radius of 20 cm. What is the depth of the water in cm?
有两个盛满水，底面半径是10厘米，高为30厘米的圆锥形容器，将它盛的水全部倒入一个底面半径为20厘米的圆柱形容器内，水深是多少厘米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">20 ** 2</gadget>
<output>400</output>

<gadget id="calculator">3.14 * 400</gadget>
<output>1_256</output>

<gadget id="calculator">2 / 1_256</gadget>
<output>1/628 = around 0.001592</output>

<gadget id="calculator">(1/3) * 3.14 * 100 * 30 * (1/628)</gadget>
<output>5</output>

<result>5</result>