A circular pool can hold water 3.14 meters**3, the radius of the bottom of the pool is 1 meter, what is the depth of the pool in meters?
一圆形水池可盛水3.14米**3，水池的底面半径是1米，这个水池的深是多少米．
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

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

<gadget id="calculator">3.14 / 3.14</gadget>
<output>1</output>

<result>1</result>