Xiaolei read a book, the number of pages he read on the first day was 10 pages less than the total number of pages (3/8), and on the second day he read 70 pages, leaving 1/4 of the whole book unread. How many pages does this book have?
小磊看一本书，第一天看的页数比总页数的(3/8)少10页，第二天看了70页，还剩全书的(1/4)没有看．这本书一共有多少页？
<gadget id="calculator">70 - 10</gadget>
<output>60</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (3/8) - (1/4)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">60 / (3/8)</gadget>
<output>160</output>

<result>160</result>