There are six students in the mathematics interest group. In a mathematics competition, the scores of five students were 86 points, 75 points, 89 points, and 94 points and 98 points. The score of the sixth student is 4 points more than the average score of the students in this interest group. What is the grade of the sixth student?
数学兴趣小组有六位同学．在一次数学竞赛中，其中五位同学的成绩分别为86分、75分89分、94分98分．第六位同学的成绩比这个兴趣小组的同学的平均成绩多4分．第六位同学的成绩是多少分？
<gadget id="calculator">86 + 75 + 89 + 94 + 97</gadget>
<output>441</output>

<gadget id="calculator">441 / 6</gadget>
<output>147/2 = around 73.5</output>

<gadget id="calculator">(147/2) + 4</gadget>
<output>155/2 = around 77.5</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(155/2) / (5/6)</gadget>
<output>93</output>

<result>93</result>