The number of female students is half of the number of male students. The average height of male students is 1.65 meters, and the average height of female students is 1.5 meters. What is the average height of male and female students in the class?
女同学的人数是男同学人数的一半，男同学的平均身高是1.65米，女同学的平均身高是1.5米，全班男女同学的平均身高为多少米．
<result>1.6</result>