A number is composed of 5 1%, what is the reciprocal of this number?
1个数由5个1%组成，这个数的倒数是多少．
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

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

<result>20</result>