The school library originally had 5,200 books, and the number of books has increased by 25% this year. How many books are there in the library now?
学校图书馆原有图书5200册，今年图书数增加了25%，现在图书馆有多少册图书？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">5_200 * (5/4)</gadget>
<output>6_500</output>

<result>6_500</result>