There are 200 students in the fifth grade of a certain elementary school, and only one student fails the math test. What is the passing rate?
某小学五年级有学生200人，数学考试只有1人不及格，及格率是多少
<gadget id="calculator">199 / 200</gadget>
<output>199/200 = around 0.995</output>

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

<gadget id="calculator">(199/200) * 1</gadget>
<output>199/200 = around 0.995</output>

<result>199/200 = around 0.995</result>