The perimeter of a rectangle is 24 cm, and the ratio of length to width is 2:3. What is the area of the rectangle?
一个长方形的周长是24厘米，长和宽的比是2：3，这个长方形的面积是多少？
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">24 / 2 / 5</gadget>
<output>12/5 = around 2.4</output>

<gadget id="calculator">2 * (12/5)</gadget>
<output>24/5 = around 4.8</output>

<gadget id="calculator">3 * (12/5)</gadget>
<output>36/5 = around 7.2</output>

<gadget id="calculator">(24/5) * (36/5)</gadget>
<output>864/25 = around 34.56</output>

<result>864/25 = around 34.56</result>