The volume of a cylindrical pool is 43.96 cubic meters, the diameter of the bottom of the pool is 4 meters, how deep is the pool?
一个圆柱形水池的容积是43.96立方米，池底直径4米，池深多少米？
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>

<gadget id="calculator">43.96 / 12.56</gadget>
<output>3.5</output>

<result>3.5</result>