Yesterday's math test, there were 40 students in the class, 2 people failed, what is the passing rate of this test?
昨天的数学检测，全班有40人，2人不及格，此次检测的及格率是多少？
<gadget id="calculator">40 - 2</gadget>
<output>38</output>

<gadget id="calculator">38 / 40</gadget>
<output>19/20 = around 0.95</output>

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

<gadget id="calculator">(19/20) * 1</gadget>
<output>19/20 = around 0.95</output>

<result>19/20 = around 0.95</result>