There are 40 students in Class 5 and Class 2. Last year, 90% of the inspections reached the standards, and this year the inspections reached 95%. From last year to this year, how many students have reached the sports standard?
五、二班共有学生40人，去年检查体育达标率为90%，今年检查体育达标率为95%．从去年到今年，体育达标的学生增加了多少人？
<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">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">40 * (9/10)</gadget>
<output>36</output>

<gadget id="calculator">38 - 36</gadget>
<output>2</output>

<result>2</result>