A rectangle has the same perimeter as a square. If the side length of the square is 18 decimeters and the length of the rectangle is 24 decimeters, what is the area of the rectangle?
一个长方形与一个正方形周长相等，如果正方形的边长是18分米，长方形的长是24分米，长方形的面积是多少．
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">18 * 2</gadget>
<output>36</output>

<gadget id="calculator">36 - 24</gadget>
<output>12</output>

<gadget id="calculator">24 * 12</gadget>
<output>288</output>

<result>288</result>