The average score of Xiaohong's three math tests is 88 points. It is known that the first time is 84.5 points, which is 1.5 points lower than the second time. What is Xiaohong's third math score?
小红三次数学测试的平均成绩是88分，已知第一次84.5分，比第二次低1.5分．小红第三次数学成绩是多少分？
<gadget id="calculator">88 * 3</gadget>
<output>264</output>

<gadget id="calculator">84.5 + 1.5</gadget>
<output>86</output>

<gadget id="calculator">264 - 84.5 - 86</gadget>
<output>93.5</output>

<result>93.5</result>