Xiao Huang fished, Xiao Hua caught 3 fish, Xiao Huang caught 4 times as many fish as Xiao Hua, how many fish did Xiao Huang catch more than Xiao Hua?
小黄钓鱼，小花钓到3条鱼，小黄钓的条数是小花的4倍，小黄比小花多钓了多少条？
<gadget id="calculator">3 * 4</gadget>
<output>12</output>

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

<result>9</result>