Li Jun bought 3 bilingual books and 2 English books. It cost 2.25 yuan to buy a double book, and 0.96 yuan to buy an English book. How much does each bilingual copy cost more than the English version?
李军买3本双行本和2本英语本．买双行本用了2.25元，买英语本用了0.96元．每本双行本比英语本贵多少本？
<gadget id="calculator">2.25 / 3</gadget>
<output>0.75</output>

<gadget id="calculator">0.96 / 2</gadget>
<output>0.48</output>

<gadget id="calculator">0.75 - 0.48</gadget>
<output>0.27</output>

<result>0.27</result>