There is a cuboid glass fish tank with a length of 16 decimeters and a width of 12 decimeters. A rockery rock with a volume of 768 cubic decimeters is put in, and the water in the fish tank just rises to the mouth of the tank. If this rockery is taken out, the water surface height is 14 decimeters, how many liters is the volume of this fish tank?
有一个长为16分米，宽为12分米的长方体玻璃鱼缸中，放进一块体积为768立方分米的假山石，鱼缸中的水正好上升到缸口．如果把这块假山石取出，水面高度为14分米，这个鱼缸的容积是多少升？
<gadget id="calculator">16 * 12</gadget>
<output>192</output>

<gadget id="calculator">768 / 192</gadget>
<output>4</output>

<gadget id="calculator">14 + 4</gadget>
<output>18</output>

<gadget id="calculator">16 * 12 * 18</gadget>
<output>3_456</output>

<result>3_456</result>