If the sides of an isosceles triangle are 5cm and 11cm long, what is the perimeter of the triangle in cm?
一个等腰三角形的两边长分别是5cm和11cm，那么这个三角形的周长是多少cm．
<gadget id="calculator">11 + 11 + 5</gadget>
<output>27</output>

<result>27</result>