In the mid-term test, Beibei scored 91 points in Chinese, 5 points more than mathematics, and 93 points in English. What is the average score of these three subjects in the mid-term test?
期中测试，贝贝语文91分，比数学多5分，英语93分，贝贝期中测试这三科的平均成绩是多少分．
<gadget id="calculator">91 - 5</gadget>
<output>86</output>

<gadget id="calculator">86 + 91 + 93</gadget>
<output>270</output>

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

<result>90</result>