50 students in Class 1 of June took the exam, and 1 of them failed. What is the passing rate for this math test?
六1班50名学生参加考试，有1人不及格．这次数学测验的及格率是多少．
<gadget id="calculator">50 - 1</gadget>
<output>49</output>

<gadget id="calculator">49 / 50</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>