Dongdong wants to make a kite in the shape of an isosceles triangle. It is known that the lengths of the two sides are 55cm and 27cm respectively. What is the perimeter of this triangle in centimeters?
东东想做一个等腰三角形形状的风筝，已知两条边长分别是55cm和27cm，这个三角形的周长是多少厘米？
<gadget id="calculator">55 + 55 + 27</gadget>
<output>137</output>

<result>137</result>