There are 57 students in class 51 today, and 3 of them did not go to school due to illness. What is the attendance rate?
五1班今天到校学生有57人，有3人因病未上学，出勤率是多少．
<gadget id="calculator">57 + 3</gadget>
<output>60</output>

<gadget id="calculator">57 / 60</gadget>
<output>19/20 = around 0.95</output>

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

<gadget id="calculator">(19/20) * 1</gadget>
<output>19/20 = around 0.95</output>

<result>19/20 = around 0.95</result>