Mother cat caught some fish, the little cat ate one fish, and gave the remaining half to the little white cat, and the little cat ate another fish, and gave the remaining half to the little black cat. 4 fish. Please do the math, how many fish the mother cat has caught.
猫妈妈钓了一些鱼，小花猫吃了一条鱼，把剩下的一半分给小白猫，小花猫又吃了一条鱼，把剩下的一半分给小黑猫，这时，小花猫还有4条鱼．请你算一算，猫妈妈一共钓了多少条鱼．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * (1/2)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) + (1/2) + 4</gadget>
<output>19/4 = around 4.75</output>

<gadget id="calculator">(19/4) / (1/4)</gadget>
<output>19</output>

<result>19</result>