Hui is an avid reader. She bought a copy of the best seller Math is Beautiful. On the first day, she read 1/5 of the pages plus 12 more, and on the second day she read 1/4 of the remaining pages plus 15 more. On the third day she read 1/3 of the remaining pages plus 18 more. She then realizes she has 62 pages left, which she finishes the next day. How many pages are in this book?