The circumference of the base of the cylinder is 3.14 cm and the height is 2 cm. What is the lateral area of the cylinder in square centimeters?
圆柱的底面周长是3.14厘米，高是2厘米，这个圆柱的侧面积是多少平方厘米．
<gadget id="calculator">3.14 * 2</gadget>
<output>6.28</output>

<result>6.28</result>