In a certain grade yesterday, 1 person was on sick leave, 1 person was on personal leave, and 198 people attended. What was the attendance rate yesterday?
某年级昨天病假1人，事假1人，出席198人．昨天出席率是多少．
<gadget id="calculator">198 + 1 + 1</gadget>
<output>200</output>

<gadget id="calculator">198 / 200</gadget>
<output>99/100 = around 0.99</output>

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

<gadget id="calculator">(99/100) * 1</gadget>
<output>99/100 = around 0.99</output>

<result>99/100 = around 0.99</result>