There is such a hexagon, the side lengths of its six sides are 3 cm, 7 cm, 13 cm, 5 cm, 8 cm, and 11 cm, then what is the perimeter of the hexagon in cm?
有这样一个六边形，它的六条边的边长分别是3厘米、7厘米、13厘米、5厘米、8厘米、11厘米，那么这个六边形周长是多少厘米．
<gadget id="calculator">3 + 7 + 13 + 5 + 8 + 11</gadget>
<output>47</output>

<result>47</result>