The school library has 2000 science and technology books, the number of story books is 5/8 of the science books, and the number of story books is equivalent to 12.5% of all books in the school library. How many books are there in the school library?
学校图书馆有科技书2000册，故事书的册数是科技书的(5/8)，故事书的册数又相当于学校图书馆全部书的12.5%，学校图书馆共有图书多少册？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">12.5 / 100</gadget>
<output>0.125</output>

<gadget id="calculator">(5/8) / 0.125</gadget>
<output>5</output>

<gadget id="calculator">2_000 * 5</gadget>
<output>10_000</output>

<result>10_000</result>