A cylinder and a cone have the same base area, the height of the cylinder is 6.28 cm, and the side view is a square. The cone is 12 cm high, what is its volume in cubic centimeters?
一个圆柱和一个圆锥的底面积相等，圆柱高6.28厘米，侧面展开图是正方形．圆锥高12厘米，它的体积是多少立方厘米？
<gadget id="calculator">6.28 / 2 / 3.14</gadget>
<output>1</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">(1/3) * 3.14 * 1 * 12</gadget>
<output>12.56</output>

<result>12.56</result>