The perimeter of a rectangular vegetable field is 300 meters, and the ratio of length to width is 3:2. What is the area of this vegetable field in square meters?
一块长方形菜地的周长是300米，长与宽的比是3：2，这块菜地的面积是多少平方米？
<gadget id="calculator">300 / 2</gadget>
<output>150</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">150 * (3/5)</gadget>
<output>90</output>

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

<gadget id="calculator">150 * (2/5)</gadget>
<output>60</output>

<gadget id="calculator">90 * 60</gadget>
<output>5_400</output>

<result>5_400</result>