The school bought 180 books, of which literary books accounted for (1/3) and science and technology books accounted for (1/4). How much more literature and art books than science and technology books?
学校买来180本图书，其中文艺书占(1/3)，科技书占(1/4)．文艺书比科技书多几分之几？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/3) - (1/4)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/12) / (1/4)</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>