Huahui School plans to build a multimedia classroom with a width of 7.5 meters and a length 2.2 times the width. How many square meters is the multimedia classroom?
华晖学校计划修建一个多媒体教室，宽7.5米，长是宽的2.2倍．该多媒体教室的面积是多少平方米？
<gadget id="calculator">7.5 * 2.2 * 7.5</gadget>
<output>123.75</output>

<result>123.75</result>