The average height of the 5 boys in the first group of Class 5 and 4 is 1.44 meters, and the average height of the 3 girls is 1.38 meters. What is the average height of the boys and girls in this group?
五4班第一小组的同学，5名男生平均身高是1.44米，3名女生的平均身高1.38米，这个小组男女生的平均身高是多少米？
<gadget id="calculator">1.44 * 5</gadget>
<output>7.2</output>

<gadget id="calculator">1.38 * 3</gadget>
<output>4.14</output>

<gadget id="calculator">7.2 + 4.14</gadget>
<output>11.34</output>

<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">11.34 / 8</gadget>
<output>1.4175</output>

<result>1.4175</result>