Xiao Ming reads a 126-page popular science book during the winter vacation. On the first day, he reads 24 pages. On the second day, he reads the same amount as the first day. How many pages are left?
小明寒假看一本126页的科普书，第一天看了24页，第二天看的与第一天同样多，还有多少页没有看？
<gadget id="calculator">126 - 24 - 24</gadget>
<output>78</output>

<result>78</result>