A rectangular classroom is 5.5 meters wide and twice as long as it is wide. What is the area of this rectangular classroom?
一间长方形的教室宽是5.5米，长是宽的2倍，这个长方形教室的面积是多少？
<gadget id="calculator">5.5 * 2</gadget>
<output>11</output>

<gadget id="calculator">5.5 * 11</gadget>
<output>60.5</output>

<result>60.5</result>