A 91-page science and technology book, Xiao Ming reads 80 pages, what percentage of the total number of pages does the number of pages read account for?
一本91页的科技书，小明看了80页，看过的页数占这本书总页数的几分之几？
<gadget id="calculator">80 / 91</gadget>
<output>80/91 = around 0.879121</output>

<result>80/91 = around 0.879121</result>