The average score of the two students A and B in the math test is 88 points, the average score of the two students A and C is 90, the average score of the two students B and C is 92, what is the average score of the three of them?
数学考试甲、乙两名同学的平均分是88分，甲、丙两名同学的平均分是90，乙、丙两名同学的平均分是92，他们三人的平均分是多少分？
<gadget id="calculator">88 * 2</gadget>
<output>176</output>

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

<gadget id="calculator">92 * 2</gadget>
<output>184</output>

<gadget id="calculator">176 + 180 + 184</gadget>
<output>540</output>

<gadget id="calculator">540 / 2</gadget>
<output>270</output>

<gadget id="calculator">270 / 3</gadget>
<output>90</output>

<result>90</result>