One side of an isosceles triangle is 5 cm long and the base is 4 cm long. What is the perimeter of the isosceles triangle?
一个等腰三角形的一条腰长5厘米，底边长4厘米，这个等腰三角形周长是多少厘米．
<gadget id="calculator">5 + 5 + 4</gadget>
<output>14</output>

<result>14</result>