What is the perimeter of an isosceles triangle with a base of 5 cm and a waist of 6 cm?
一个等腰三角形，底是5厘米，腰是6厘米，它的周长是多少厘米．
<gadget id="calculator">6 + 6 + 5</gadget>
<output>17</output>

<result>17</result>