A cube glass tank with side length 25 cm and water depth of 15 cm inside. After submerging a stone, the water depth reaches 17 cm. Find the volume of the stone.
一正方体玻璃缸，棱长25厘米，里面水深15厘米，浸没入一块石块后，水深达17厘米，求石块体积．
<gadget id="calculator">17 - 15</gadget>
<output>2</output>

<gadget id="calculator">25 * 25 * 2</gadget>
<output>1_250</output>

<result>1_250</result>