A cube fish tank with a side length of 8 decimeters, and the water surface is 3 decimeters from the mouth of the tank, how many liters of water can be filled in the tank
一个棱长为8分米的正方体鱼缸，水面距缸口3分米，则鱼缸里装水多少升
<gadget id="calculator">8 - 3</gadget>
<output>5</output>

<gadget id="calculator">8 * 8 * 5</gadget>
<output>320</output>

<result>320</result>