The library of Guangming Primary School has a wealth of books, among which story books account for about (1/3) and science and technology books account for about (1/5). What percentage of the books in the library do the rest of the books account for?
光明小学图书馆拥有丰富的图书，其中故事书约占(1/3)，科技书约占(1/5)．剩下的其他书占图书馆存书的几分之几？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/3) - (1/5)</gadget>
<output>7/15 = around 0.466667</output>

<result>7/15 = around 0.466667</result>