The perimeter of a square is 24 cm. The side length of this square is twice the width of another rectangle. The length of the rectangle is 8 cm. What is the perimeter of the rectangle?
一个正方形的周长是24厘米，这个正方形的边长是另一个长方形的宽的2倍，长方形的长是8厘米，长方形的周长是多少？
<gadget id="calculator">24 / 4 / 2</gadget>
<output>3</output>

<gadget id="calculator">8 + 3</gadget>
<output>11</output>

<gadget id="calculator">11 * 2</gadget>
<output>22</output>

<result>22</result>