Two adjacent even numbers, the large number is 5% more than the small number, what is the small number between these two even numbers?
两个相邻的偶数，大数比小数多5%，这两个偶数中小数是多少．
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">2 / (1/20)</gadget>
<output>40</output>

<result>40</result>