There are 20 students in the classroom, with an average height of 1.65 meters. When the bell rang, a classmate rushed out of the classroom immediately. At the same time, a teacher with a height of 1.8 meters came in. At this time, the average height of the 20 students in the classroom became 1.66 meters. ． So how tall is the student who rushed out of the classroom?
教室里有20名学生，平均身高为1.65米，下课铃响时，一名同学立刻冲出教室，与此同时进来一名1.8米的老师，这时教室里20个人的平均身高变成1.66米．那么冲出教室的这名同学身高多少米？
<gadget id="calculator">1.66 - 1.65</gadget>
<output>0.01</output>

<gadget id="calculator">0.01 * 20</gadget>
<output>0.2</output>

<gadget id="calculator">1.8 - 0.2</gadget>
<output>1.6</output>

<result>1.6</result>