There are 6 people in the first group, and the average score of 5 people in the Chinese test is 85 points. After adding Wang Gang's score, the average score is 87 points. What is Wang Gang's test score?
第一小组有6个人，其中5个人语文考试的平均分是85分，加上王刚的分数后，平均成绩是87分，王刚的考试成绩是多少分？
<gadget id="calculator">87 * 6</gadget>
<output>522</output>

<gadget id="calculator">85 * 5</gadget>
<output>425</output>

<gadget id="calculator">522 - 425</gadget>
<output>97</output>

<result>97</result>