rectangle and a square have the same perimeter. It is known that the length of the rectangle is 60 centimeters, and the side length of the square is 2/3 of the length of the rectangle. What is the perimeter of the rectangle in centimeters?
一个长方形和一个正方形周长相等，已知长方形的长是60厘米，正方形的边长是长方形长的(2/3)，这个长方形的周长是多少厘米．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">60 * (2/3)</gadget>
<output>40</output>

<gadget id="calculator">40 * 4</gadget>
<output>160</output>

<result>160</result>