The height of a cylinder is 8cm, and the length of the rectangle after unfolding its sides is 12.56cm. What is the volume of this cylinder in cubic centimeters?
一个圆柱的高是8cm，侧面展开后的长方形长时12.56cm，这个圆柱的体积是多少立方厘米？
<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">3.14 * 4 * 8</gadget>
<output>100.48</output>

<result>100.48</result>