There are 250 students in the fifth grade of a certain elementary school, and 5 of them fail the math test. What is the passing rate?
某小学五年级有学生250人，数学考试有5人不及格，及格率是多少．
<gadget id="calculator">250 - 5</gadget>
<output>245</output>

<gadget id="calculator">245 / 250</gadget>
<output>49/50 = around 0.98</output>

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

<gadget id="calculator">(49/50) * 1</gadget>
<output>49/50 = around 0.98</output>

<result>49/50 = around 0.98</result>