Xiao Ming reads a story book in 5 days, how much of this book is read on average every day.
小明5天看完一本故事书，平均每天看这本书的多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>