Some water is filled in a cuboid tank with a length of 20 cm, a width of 15 cm, and a height of 16 cm. After a stone is completely submerged in the water, the water level rises by 4 cm. What is the volume of the stone in cubic centimeters?
在一个长20厘米，宽15厘米，高16厘米的长方体水槽中装了一些水，把一块石块全部浸没在水中后，水面上升4厘米．石块的体积是多少立方厘米？
<gadget id="calculator">20 * 15 * 4</gadget>
<output>1_200</output>

<result>1_200</result>