A rectangular lawn is 9.8 meters long and 7.5 meters wide, what is its area in square meters?
一个长方形草坪，长是9.8米，宽是7.5米，它的面积是多少平方米．
<gadget id="calculator">9.8 * 7.5</gadget>
<output>73.5</output>

<result>73.5</result>