A rectangle is 2.4 decimeters long and 1.5 decimeters wide, what is the area of the rectangle in square decimeters?
一个长方形，长2.4分米，宽1.5分米，这个长方形的面积是多少平方分米．
<gadget id="calculator">2.4 * 1.5</gadget>
<output>3.6</output>

<result>3.6</result>