There are 500 students in the experimental primary school. In a physical education standard test, only 5% of the students failed to meet the standard. How many students are there?
实验小学有学生500人，在一次体育达标测试中，只有5%的学生没有达标，达标的学生有多少人？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

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

<gadget id="calculator">500 * (19/20)</gadget>
<output>475</output>

<result>475</result>