In class A of the sixth grade, in a math test, the average score was 85.1 points. Later, it was found that a classmate's score was 96 points, which was mistakenly regarded as 69 points. After recalculation, the average score of the whole class was 85.7 points. This class has How many students?
六年级甲班，在一次数学考试中，平均分是85.1分，后来发现一个同学的成绩是96分，而被误看成69分，重新计算后，全班平均成绩是85.7分，这个班有学生多少人？
<gadget id="calculator">96 - 69</gadget>
<output>27</output>

<gadget id="calculator">85.7 - 85.1</gadget>
<output>0.6</output>

<gadget id="calculator">27 / 0.6</gadget>
<output>45</output>

<result>45</result>