The perimeter of the school's rectangular playground is 360 meters, and the ratio of length to width is 5:4. What is the area of the playground in square meters?
学校长方形操场的周长是360米，长与宽的比是5：4，操场的面积是多少平方米？
<gadget id="calculator">360 / 2</gadget>
<output>180</output>

<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">180 * (5/9)</gadget>
<output>100</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">180 * (4/9)</gadget>
<output>80</output>

<gadget id="calculator">100 * 80</gadget>
<output>8_000</output>

<result>8_000</result>