In a dance classroom, a row of stainless steel training bars is placed every 1.5 meters on average. The front wall is a multimedia screen. In order to accommodate more people, the back wall needs to be equipped with levers. All 10 levers prepared by a dance teacher are used. How many meters is the classroom?
某舞蹈教室从前往后平均每1.5米摆一排不锈钢拉练杠，前面墙处是多媒体屏，为了容纳更多的人，后墙要放杠杆，某舞蹈老师刚好准备的10根杠杆全部用上，请问该教室长多少米？
<gadget id="calculator">1.5 * 10</gadget>
<output>15</output>

<result>15</result>