A book has a total of 528 pages. Naughty read 145 pages in the first week and 107 pages in the second week. How many pages are left?
一本书共528页，淘气第一周看了145页，第二周看了107页，还剩多少页没看？
<gadget id="calculator">528 - 145 - 107</gadget>
<output>276</output>

<result>276</result>