In a test with 40 people, the average score was 87.5 points. After the teacher handed out the papers, a student pointed out that his score was undercounted by 10 points. What is the actual average score on this test.
某次40人的测验，平均分为87.5分．老师发卷后，有一个学生指出，他的得分少算了10分．这次测验的实际平均分是多少．
<gadget id="calculator">87.5 * 40</gadget>
<output>3_500</output>

<gadget id="calculator">3_500 + 10</gadget>
<output>3_510</output>

<gadget id="calculator">3_510 / 40</gadget>
<output>351/4 = around 87.75</output>

<result>351/4 = around 87.75</result>