In a math test, the average score of 48 students in Class 51 is 85.5 points. It is known that the average score of 23 boys is 86.5 points. What is the average score of the female students in the class?
在一次数学测验中，五1班全班48人的平均成绩是85.5分，已知23个男生的平均成绩是86.5分，那么全班女同学的平均成绩是多少分？
<gadget id="calculator">85.5 * 48</gadget>
<output>4_104</output>

<gadget id="calculator">86.5 * 23</gadget>
<output>1_989.5</output>

<gadget id="calculator">4_104 - 1_989.5</gadget>
<output>2_114.5</output>

<gadget id="calculator">48 - 23</gadget>
<output>25</output>

<gadget id="calculator">2_114.5 / 25</gadget>
<output>84.58</output>

<result>84.58</result>