The perimeter of a rectangular open space is 340m, and the length is 2.4 times the width. What is the area of the rectangle in square meters?
一块长方形空地周长是340m，长是宽的2.4倍，这个长方形的面积是多少平方米．
<gadget id="calculator">2.4 + 1</gadget>
<output>3.4</output>

<gadget id="calculator">340 / 2 / 3.4</gadget>
<output>50</output>

<gadget id="calculator">50 * 2.4</gadget>
<output>120</output>

<gadget id="calculator">50 * 120</gadget>
<output>6_000</output>

<result>6_000</result>