The ratio of length to width of a rectangular lawn is 8:5, and the length is 18m more than the width. What is the area of this lawn in square meters?
一块长方形草坪长和宽的比是8：5，长比宽多18m，这块草坪的面积是多少平方米？
<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<gadget id="calculator">18 / 3</gadget>
<output>6</output>

<gadget id="calculator">6 * 8</gadget>
<output>48</output>

<gadget id="calculator">6 * 5</gadget>
<output>30</output>

<gadget id="calculator">48 * 30</gadget>
<output>1_440</output>

<result>1_440</result>