rectangular flower bed is 4.5 meters long and 2.5 meters wide, what is its area in square meters?
一个长方形花坛，长是4.5米，宽是2.5米，它的面积是多少平方米．
<gadget id="calculator">4.5 * 2.5</gadget>
<output>11.25</output>

<result>11.25</result>