If a rectangular piece of paper is folded into five equal parts, it becomes a square. The perimeter of the square is 40 centimeters. What is the perimeter of the original rectangle in centimeters?
把一张长方形的纸折成五等份后变成了一个正方形，正方形的周长是40厘米，那么原来长方形的周长是多少厘米．
<gadget id="calculator">40 / 4</gadget>
<output>10</output>

<gadget id="calculator">5 * 10</gadget>
<output>50</output>

<gadget id="calculator">50 + 10</gadget>
<output>60</output>

<gadget id="calculator">60 * 2</gadget>
<output>120</output>

<result>120</result>