The ratio of the number of boys to girls participating in a certain mathematics competition is 3:2. The average score of this competition is 82 points. The average score of boys is 80 points. What is the average score of girls?
参加某次数学竞赛的男生和女生人数比是3：2，这次竞赛的平均分是82分，其中男生的平均分是80分，女生的平均分是多少分．
<gadget id="calculator">82 * 2</gadget>
<output>164</output>

<gadget id="calculator">82 * 3</gadget>
<output>246</output>

<gadget id="calculator">3 * 80</gadget>
<output>240</output>

<gadget id="calculator">246 - 240</gadget>
<output>6</output>

<gadget id="calculator">164 + 6</gadget>
<output>170</output>

<gadget id="calculator">170 / 2</gadget>
<output>85</output>

<result>85</result>