Bookshelf A has 280 books, 10 more than bookshelf B (3/5). How many books are there in the two bookshelves?
甲书架有书280本，比乙书架本书的(3/5)多10本，两个书架一共有书多少本？
<gadget id="calculator">280 - 10</gadget>
<output>270</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">270 / (3/5)</gadget>
<output>450</output>

<gadget id="calculator">450 + 280</gadget>
<output>730</output>

<result>730</result>