There is a cylindrical fountain with a capacity of 125.6m**3 on the square. The radius of the bottom surface measured from the inside is 10m. How deep is this fountain?
广场上有一个能容水125.6m**3的圆柱形喷水池，从里面量得底面半径为10m，这个喷水池深多少米？
<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

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

<gadget id="calculator">125.6 / 314</gadget>
<output>0.4</output>

<result>0.4</result>