If one side of a triangle is 3 cm long and the other two sides are 4 cm long, what is its perimeter in cm?
三角形的一条边长3厘米，另外两条边的长都是4厘米，它的周长是多少厘米．
<gadget id="calculator">3 + 4 + 4</gadget>
<output>11</output>

<result>11</result>