A total of 40 people from Class 6 (1) participated in the math test, and the pass rate was 95%, so how many people failed?
六(一)班共有40人参加数学测验，及格率为95%，则不及格的有多少人．
<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">40 * (19/20)</gadget>
<output>38</output>

<gadget id="calculator">40 - 38</gadget>
<output>2</output>

<result>2</result>