A rectangular parallelepiped glass fish tank without a cover has a length and width of 10 decimeters from the inside and a height of 6 decimeters. Put water in the tank, and the water surface is 3.2 decimeters from the mouth of the tank. How many liters of water is there in the tank?
一个无盖的长方体玻璃鱼缸，从里面量长和宽都是10分米，高时6分米，在鱼缸内放水，水面离缸口3.2分米，缸内有水多少升？
<gadget id="calculator">6 - 3.2</gadget>
<output>2.8</output>

<gadget id="calculator">10 * 10 * 2.8</gadget>
<output>280</output>

<result>280</result>