rectangle, if its length and width are increased by 4 cm, the area of the new rectangle formed is 112 cm2 larger than the area of the original rectangle, what is the perimeter of the original rectangle in cm?
一个长方形，如果它的长和宽都增加4厘米，所形成的新长方形面积比原来长方形面积大112平方厘米，原来长方形的周长是多少厘米．
<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">112 - 16</gadget>
<output>96</output>

<gadget id="calculator">96 / 4</gadget>
<output>24</output>

<gadget id="calculator">24 * 2</gadget>
<output>48</output>

<result>48</result>