Class 1 of June arrives at 45 today, and 3 people ask for leave. What is the attendance rate of this class?
六1班今天到校45，请假3人，该班出勤率是多少．
<gadget id="calculator">45 + 3</gadget>
<output>48</output>

<gadget id="calculator">45 / 48</gadget>
<output>15/16 = around 0.9375</output>

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

<gadget id="calculator">(15/16) * 1</gadget>
<output>15/16 = around 0.9375</output>

<result>15/16 = around 0.9375</result>