rectangle with a length of 12.56 cm and a width of 5 cm is rolled into a cylinder with a height of 5 cm. What is the volume of the cylinder in cubic centimeters?
把一个长为12.56厘米，宽为5厘米的长方形卷成一个高为5厘米的圆柱，这个圆柱体的容积是多少立方厘米立方厘米．
<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 * 5</gadget>
<output>62.8</output>

<result>62.8</result>