The perimeter of an equilateral triangle is equal to the perimeter of a square with side length 6 cm. What is the side length of this equilateral triangle?
一个等边三角形的周长与一个边长是6厘米的正方形周长相等．这个等边三角形的边长是多少厘米？
<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">6 * (4/3)</gadget>
<output>8</output>

<result>8</result>