Xiaohong plans to finish reading a book in 20 days, but she has already read it in 6 days, which is the total number of days planned.
一本书小红计划20天看完，她已经看了6天，是计划总天数的多少．
<gadget id="calculator">6 / 20</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>