Xiaojia prints 20% of a document in 12 minutes, how many minutes will it take to finish printing this document?
小佳12分钟打印一份文件的20%，打完这份文件需用多少分钟．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/5) / 12</gadget>
<output>1/60 = around 0.016667</output>

<gadget id="calculator">1 / (1/60)</gadget>
<output>60</output>

<result>60</result>