In an isosceles triangle, one side is 8 cm long and the other side is 3 cm long. What is the total length of the three sides?
一个等腰三角形，一条边长8厘米，另一条边长3厘米，三条边一共长多少厘米．
<gadget id="calculator">8 + 8 + 3</gadget>
<output>19</output>

<result>19</result>