In a math test, the average score of A, B, C, D, and E is 4 points less than the average score of C, D, and E. The average score of A and B is 80 points. Find A, B, C, D, E five people's average score.
一次数学考试，A，B，C，D，E五人的平均分比C，D，E三人的平均分少4分，A，B两人的平均分是80分，求A，B，C，D，E五个人的平均分数．
<gadget id="calculator">80 * 2</gadget>
<output>160</output>

<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<gadget id="calculator">160 + 12</gadget>
<output>172</output>

<gadget id="calculator">172 / 2</gadget>
<output>86</output>

<result>86</result>