There are 45 people in Class 6 2 on a certain day, 4 people on sick leave, and 1 person on personal leave. What is the attendance rate of Class 6 2 on this day?
六2班某天实到45人，病假4人，事假1人，这天六2班的出勤率是多少．
<gadget id="calculator">45 + 4 + 1</gadget>
<output>50</output>

<gadget id="calculator">45 / 50</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(9/10) * 1</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>