The perimeter of a rectangular lawn is 150 meters, and the ratio of length to width is 3:2. What is the area of the lawn in square meters?
一个长方形草坪的周长是150米，长与宽的比是3：2．这块草坪的面积是多少平方米？
<gadget id="calculator">150 / 2</gadget>
<output>75</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">75 * (3/5)</gadget>
<output>45</output>

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

<gadget id="calculator">75 * (2/5)</gadget>
<output>30</output>

<gadget id="calculator">45 * 30</gadget>
<output>1_350</output>

<result>1_350</result>