Three people A, B, and C take an exam. The average score of A and B is 2.5 points higher than the average score of the three people, and the average score of B and C is 1.5 points lower than the average score of the three people. Given that B scored 93 points, how many points did C get?
A、B、C三人参加一次考试，A、B两人平均分比三人平均分多2.5分，B、C两人平均分比三人平均分少1.5分．已知B得了93分，那么C得了多少分．
<gadget id="calculator">93 - 7</gadget>
<output>86</output>

<result>86</result>