The perimeter of a square is equal to the perimeter of a rectangle with a length of 180 cm and a width of 76 cm. What is the side length of the square in cm?
一个正方形的周长和一个长180厘米、宽76厘米的长方形周长相等，这个正方形的边长是多少厘米？
<gadget id="calculator">412 / 4</gadget>
<output>103</output>

<result>103</result>