Three rectangles of the same size are put together to form a large rectangle. The area is increased by 48 square centimeters and the perimeter is increased by 16 centimeters. What is the perimeter of the original rectangle in centimeters?
三个同样大小的长方形拼成一个大长方形，面积比原来增加了48平方厘米，周长增加了16厘米，那么原来长方形的周长是多少厘米．
<gadget id="calculator">48 / 2</gadget>
<output>24</output>

<gadget id="calculator">16 / 4</gadget>
<output>4</output>

<gadget id="calculator">24 / 4</gadget>
<output>6</output>

<gadget id="calculator">6 + 4</gadget>
<output>10</output>

<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<result>20</result>