A rectangular flower bed is 3.5 meters long and 0.45 meters wide, what is its area in square meters?
一个长方形花坛，长是3.5米，宽是0.45米，它的面积是多少平方米．
<gadget id="calculator">3.5 * 0.45</gadget>
<output>1.575</output>

<result>1.575</result>