The inner side of a cuboid water tank is 5 decimeters long, 4 decimeters wide, and 3 decimeters deep. There is some water in it, and the water surface is 4 centimeters away from the tank mouth. If a cube stone with a side length of 2.1 decimeters is put in, the water will overflow How many milliliters.
一个长方体水箱内侧长5分米、宽4分米、深3分米，里面有一些水，水面离箱口4厘米，如果放入一个棱长2.1分米的正方体石块，这时水会溢出多少毫升．
<gadget id="calculator">52 - 60</gadget>
<output>-8</output>

<gadget id="calculator">9.261 + (-8)</gadget>
<output>1.261</output>

<gadget id="calculator">1.261 * 1_000</gadget>
<output>1_261</output>

<result>1_261</result>