(5/12) of the total number of books borrowed from the school library, there are still 70,000 books left, how many thousands of books have been borrowed?
学校图书馆的书借出总数的(5/12)，还剩下7万本，借出多少万本？
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">1 - (5/12)</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">7 / (7/12)</gadget>
<output>12</output>

<gadget id="calculator">12 * (5/12)</gadget>
<output>5</output>

<result>5</result>