The lawn in the community where Lelejia lives is a rectangle with a length of 50 meters and a width of 45 meters. It is planned to expand the lawn to 1.6 times its original length and 1.5 times its original width next year. What is the area of the enlarged lawn in square meters?
乐乐家所在小区的草坪是一个长50米，宽45米的长方形，计划明年将草坪的长扩大到原来的1.6倍，宽扩大到原来的1.5倍．扩大后的草坪的面积是多少平方米？
<gadget id="calculator">50 * 1.6</gadget>
<output>80</output>

<gadget id="calculator">45 * 1.5</gadget>
<output>67.5</output>

<gadget id="calculator">80 * 67.5</gadget>
<output>5_400</output>

<result>5_400</result>