A cuboid measuring cup with a square bottom, the side length of the bottom surface is 8 cm, and the height is 10 cm. There is a certain amount of water in it, and the height of the water surface is 6 cm. After a piece of ore is put into the water, the water surface is just equal to the mouth of the cup. Find this The volume of the ore.
一个底面为正方形的长方体量杯，底面边长为8厘米，高10厘米，里面放有一定的水，水面高度为6厘米，将一块矿石放入水中后，水面正好与杯口相平，求这块矿石的体积．
<gadget id="calculator">10 - 6</gadget>
<output>4</output>

<gadget id="calculator">8 * 8 * 4</gadget>
<output>256</output>

<result>256</result>