The perimeter of a rectangular playground is 500 meters, and the ratio of its length to width is 3:2. What is the area of the playground in square meters?
一个长方形操场的周长为500米，它的长宽之比为3：2，这个操场的面积是多少平方米？
<gadget id="calculator">500 / 2</gadget>
<output>250</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">250 * (3/5)</gadget>
<output>150</output>

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

<gadget id="calculator">250 * (2/5)</gadget>
<output>100</output>

<gadget id="calculator">150 * 100</gadget>
<output>15_000</output>

<result>15_000</result>