The floor of a classroom is 6.2 meters wide, and the length is 1.5 times the width. What is the floor area of this classroom in square meters?
一间教室的地面宽6.2米，长是宽的1.5倍，这间教室的地面的面积是多少平方米？
<gadget id="calculator">6.2 * 1.5 * 6.2</gadget>
<output>57.66</output>

<result>57.66</result>