A cylinder is 2 meters long and the circumference of the base is 6.28 cm. What is the volume of the cylinder in cubic centimeters?
一个圆柱长2米，底面周长是6.28厘米，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 * 2 * 100</gadget>
<output>628</output>

<result>628</result>