The final exam scores (full score of 100) of the 6 students in the mathematics group are different integers. The total score of the 6 students is 580 points. What is the minimum score of the worst student?
数学小组6名同学的期末考试成绩(满分100分)是互不相同的整数，6人的总分是580分，那么最差的学生至少是多少分．
<gadget id="calculator">580 - 100 - 99 - 98 - 97 - 96</gadget>
<output>90</output>

<result>90</result>