A cube glass tank with a side length of 30 cm, the water level rises by 6 cm after submerging a stone, what is the volume of the stone?
一个正方体玻璃缸，棱长30厘米，浸没一块石头后水面上升了6厘米，求石块的体积？
<gadget id="calculator">30 * 30 * 6</gadget>
<output>5_400</output>

<result>5_400</result>