A rectangular concrete pool has a perimeter of 240.8 meters and the length is three times the width. What is the area of the concrete floor in square meters?
一块长方形的水泥池，它的周长是240.8米，长是宽的3倍，这块水泥地面的面积是多少平方米？
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">240.8 / 2 / 4</gadget>
<output>30.1</output>

<gadget id="calculator">30.1 * 3</gadget>
<output>90.3</output>

<gadget id="calculator">90.3 * 30.1</gadget>
<output>2_718.03</output>

<result>2_718.03</result>