Xiaohua scored 180 points in Chinese and mathematics at the end of last semester, and 87 points in English. What is his average score?
小华上期末检测语文、数学总分180分，英语87分，他的平均成绩是多少
<gadget id="calculator">180 + 87</gadget>
<output>267</output>

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

<result>89</result>