A rectangular flower bed is 3.5m long and 25dm wide, what is its area in square meters?
一个长方形花坛，长是3.5m，宽是25dm，它的面积是多少平方米．
<gadget id="calculator">25 / 10</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">3.5 * (5/2)</gadget>
<output>8.75</output>

<result>8.75</result>