The perimeter of the bottom is 6.28 meters, and the side area is 6.28 square meters. Find the volume?
底面周长是6.28米，侧面积是6.28平方米，求体积？
<gadget id="calculator">6.28 / 6.28</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

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

<result>3.14</result>