Xiao Ming, Xiao Hua, and Xiao Fang read the same story book. Five days later, Xiao Ming had 34 pages left to read, Xiao Hua had 43 pages left, and Xiao Fang had 26 pages left. Who viewed the most pages and who viewed the least? How many pages are the difference between the most and the least?
小明、小华、小芳看一本同样的故事书．5天后，小明还剩34页没有看，小华还剩43页，小芳还剩26页．谁看的页数最多，谁看的最少？最多的和最少的相差多少页？
<gadget id="calculator">43 - 26</gadget>
<output>17</output>

<result>17</result>