The radius of the base of a cylinder is 8cm, and the height is 10cm. Spread the sides along its height, and get the circumference of the figure in cm.
一个圆柱的底面半径是8cm，高是10cm，沿着它的高将侧面展开，得到图形的周长是多少cm．
<gadget id="calculator">3.14 * 2 * 8</gadget>
<output>50.24</output>

<gadget id="calculator">50.24 + 10</gadget>
<output>60.24</output>

<gadget id="calculator">60.24 * 2</gadget>
<output>120.48</output>

<result>120.48</result>