There are 45 people in class 1 of the sixth grade who arrived at school on time today, 3 people were late, 1 person asked for leave, and 1 person was absent from class. Find the attendance rate today.
六年级1班今天按时到校的有45人，迟到的有3人，请假的有1人，旷课的有1人，求今天的出勤率．
<gadget id="calculator">45 + 3 + 1 + 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>