There are 200 students in the fifth grade, and only 2 of them fail a math test. What is the passing rate?
五年级有学生200人，一次数学考试只有2人不及格，及格率是多少．
<gadget id="calculator">200 - 2</gadget>
<output>198</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>