In a height survey of a class in the fifth grade, 28 boys had an average height of 1.42 meters, and 22 girls had an average height of 1.45 meters. What is the average height of the students in this class?
五年级某班的一次身高调查中，男生28人平均身高1.42米，女生22人，平均身高1.45米，这个班同学的平均身高是多少米？
<gadget id="calculator">1.42 * 28</gadget>
<output>39.76</output>

<gadget id="calculator">1.45 * 22</gadget>
<output>31.9</output>

<gadget id="calculator">39.76 + 31.9</gadget>
<output>71.66</output>

<gadget id="calculator">28 + 22</gadget>
<output>50</output>

<gadget id="calculator">71.66 / 50</gadget>
<output>1.4332</output>

<result>1.4332</result>