A school library currently has 16,000 books, an increase of (1/7) compared to the original. How many books are there in the library?
某校图书馆现有图书16000本，比原来增加了(1/7)．图书馆原有图书多少本？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 + (1/7)</gadget>
<output>8/7 = around 1.142857</output>

<gadget id="calculator">16_000 / (8/7)</gadget>
<output>14_000</output>

<result>14_000</result>