The height of a cylinder is 6.28 cm, and its side is a square. What is the volume of this cylinder in cubic centimeters?
一个圆柱的高是6.28厘米，它的侧面展开是一个正方形，这个圆柱的体积是多少立方厘米？
<gadget id="calculator">6.28 / 3.14 / 2</gadget>
<output>1</output>

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

<gadget id="calculator">3.14 * 1 * 6.28</gadget>
<output>19.7192</output>

<result>19.7192</result>