There are 45 students in class 61 today, 3 people on personal leave and 2 people on sick leave. What is the attendance rate today?
六1班今天到校学生有45人，另外事假3人，病假2人，今天的出勤率是多少．
<gadget id="calculator">45 + 3 + 2</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>