Xiaofan's family has 5 white rabbits and 4 black rabbits, and Xiaojun's family has 6 white rabbits and 6 black rabbits. Which one has more rabbits? How many more?
小凡家养了5只白兔和4只黑兔，小钧家养了白兔和黑兔，每种兔都养了6只，小凡家和小钧家哪家养的兔子多？多几只？
<gadget id="calculator">6 + 6</gadget>
<output>12</output>

<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">12 - 9</gadget>
<output>3</output>

<result>3</result>