cuboid glass tank is 40cm long, 20cm wide, and 17cm deep. After putting a stone in it, the water depth is 19cm. What is the volume of this stone in cubic centimeters?
一个长方体玻璃水槽，长40cm，宽20cm，水深17cm，在里面放入一块石头后，水深为19cm，这块石头的体积是多少立方厘米？
<gadget id="calculator">19 - 17</gadget>
<output>2</output>

<gadget id="calculator">40 * 20 * 2</gadget>
<output>1_600</output>

<result>1_600</result>