A rectangular land, the ratio of width to length is 3:5, the width is 18 meters less than the length, what is the area of the land in square meters?
一个长方形的地，宽和长的比是3：5，宽比长少18米，这块地的面积是多少平方米？
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">18 / 2</gadget>
<output>9</output>

<gadget id="calculator">9 * 5</gadget>
<output>45</output>

<gadget id="calculator">9 * 3</gadget>
<output>27</output>

<gadget id="calculator">45 * 27</gadget>
<output>1_215</output>

<result>1_215</result>