The ratio of girls to boys in a class is 1:3. The average score of this midterm exam is 82 points, and the average score of boys is 80 points. What is the average score of girls?
一班中女生和男生人数比是1：3，这次期中考试的平均成绩是82分，其中男生的平均成绩是80分，女生的平均成绩是多少．
<gadget id="calculator">1 + 3</gadget>
<output>4</output>

<gadget id="calculator">82 * 4</gadget>
<output>328</output>

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

<gadget id="calculator">328 - 240</gadget>
<output>88</output>

<gadget id="calculator">88 / 1</gadget>
<output>88</output>

<result>88</result>