Xiao Wang read a book in 4 days (6/7), how much of this book is read on average every day (fill in the fraction)
小王4天读了一本书的(6/7)，平均每天读这本书的多少(填几分之几)
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">(6/7) / 4</gadget>
<output>3/14 = around 0.214286</output>

<result>3/14 = around 0.214286</result>