Put books on the bookshelf, take 37 books from the first floor and put them on the second floor, then there are the same number of books on the two floors, and there are 293 books on the second floor, so how many books are there on the first floor?
书架上放书，从第一层取出37本放到第二层，则两层的书同样多，第二层原来有293本，那么第一层原来有书多少本？
<gadget id="calculator">293 + 37 + 37</gadget>
<output>367</output>

<result>367</result>