The ratio of the number of boys to girls participating in a certain mathematics competition is 2:3, the average score of this competition is 93 points, and the average score of boys is 90 points, what is the average score of girls?
参加某次数学竞赛的男生和女生人数的比是2：3，这次竞赛的平均成绩是93分，其中男生的平均成绩是90分，则女生的平均成绩是多少分．
<gadget id="calculator">93 * 2</gadget>
<output>186</output>

<gadget id="calculator">93 * 3</gadget>
<output>279</output>

<gadget id="calculator">2 * 90</gadget>
<output>180</output>

<gadget id="calculator">279 - 180</gadget>
<output>99</output>

<gadget id="calculator">186 + 99</gadget>
<output>285</output>

<gadget id="calculator">285 / 3</gadget>
<output>95</output>

<result>95</result>