If two sides of an isosceles triangle are 5 cm and 11 cm respectively, what is the perimeter of the isosceles triangle in cm? (Three sides are in whole centimeters)
一个等腰三角形其中两条边分别是5厘米和11厘米，那么这个等腰三角形的周长是多少厘米．(三条边都是整厘米数)
<gadget id="calculator">11 + 11 + 5</gadget>
<output>27</output>

<result>27</result>