The average score of the math test in Class 61 is 93.5. After the review, it was found that 98 points were mistakenly calculated as 89 points during the calculation. After recalculation, the average score of the class was 93.7 points. How many students are there in the class?
六一班数学考试的平均分是93.5分．事后复查发现，计算时误将98分作为89分计算了，经重新计算，该班的平均分为93.7分．问该班有多少名学生？
<gadget id="calculator">98 - 89</gadget>
<output>9</output>

<gadget id="calculator">93.7 - 93.5</gadget>
<output>0.2</output>

<gadget id="calculator">9 / 0.2</gadget>
<output>45</output>

<result>45</result>