A rectangular classroom is 8m wide and 1.8 times as long as it is wide. What is the size of this classroom in square meters?
一个长方形的教室，宽是8m，长是宽的1.8倍．这个教室的面积是多少平方米？
<gadget id="calculator">8 * 1.8 * 8</gadget>
<output>115.2</output>

<result>115.2</result>