An aquarium store has 4 layers of aquarium tanks, each layer has 9 tanks, and there are 24 small fish in each tank on average. How many small fishes are there in this aquarium shop?
一个水族店有4层水族缸，每层有9个，平均每个缸里有24条小鱼．这个水族店一共有多少条小鱼？
<gadget id="calculator">24 * 9 * 4</gadget>
<output>864</output>

<result>864</result>