Xiaoliang scored an average of 91 points in Chinese and mathematics, and 85 points in English. What is his average score in the three subjects?
小亮语文、数学两门平均分为91分，英语得了85分，他三门平均成绩是多少
<gadget id="calculator">91 * 2</gadget>
<output>182</output>

<gadget id="calculator">182 + 85</gadget>
<output>267</output>

<gadget id="calculator">267 / 3</gadget>
<output>89</output>

<result>89</result>