The ratio of the length to the width of a rectangle is 3:2. If the length is increased by 2 meters, the perimeter of the new rectangle is 34 meters. Find the area of the original rectangle.
一个长方形的长和宽的比是3：2，如果长增加2米，这个新的长方形周长是34米．求原长方形的面积．
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">34 - 4</gadget>
<output>30</output>

<gadget id="calculator">30 / 2</gadget>
<output>15</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">15 * (3/5)</gadget>
<output>9</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">15 * (2/5)</gadget>
<output>6</output>

<gadget id="calculator">9 * 6</gadget>
<output>54</output>

<result>54</result>