The length of a rectangle is 40 cm and the width is 12 cm. Cut this rectangle into two rectangles along the line segment between the midpoints of the two lengths. How many centimeters is the perimeter of these two rectangles longer than the perimeter of the original rectangle?
一个长方形的长40厘米，宽是12厘米，沿两个长的中点间的线段把这个长方形剪成2个长方形，这两个长方形的周长比原来长方形的周长长多少厘米？
<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<result>24</result>