Eight students from Fangshan Primary School participated in the mathematics competition, and their average score was 82.5. Among them, Xiao Ming scored 86 points. If Xiao Ming scored 74 points, how much will their average score drop.
方山小学8名学生参加数学竞赛，他们所得的平均分是82.5分．其中小明得86分，如果小明得74分，他们的平均分将降多少分．
<gadget id="calculator">86 - 74</gadget>
<output>12</output>

<gadget id="calculator">12 / 8</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>