rectangle whose length to width ratio is 3:2, if the length is increased by 2 meters, the perimeter of the new rectangle is 24 meters, what is the length of the original rectangle?
一个长方形，它的长和宽的比是3：2，如果长增加2米，这个新长方形的周长是24米，求原长方形的长是多少？
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">24 - 4</gadget>
<output>20</output>

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

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">10 * (3/5)</gadget>
<output>6</output>

<result>6</result>