In a cuboid container with a bottom area of 50 square centimeters and a water depth of 6 cm, a cuboid stick with a height of 20 cm is vertically inserted, and the water level rises to 8 cm. Please find the volume of the cuboid stick? (Hint: the volume of water does not change before and after inserting the stick)
在一个底面积为50平方厘米、水深6厘米的长方体容器中，垂直插入一个高20厘米的长方体小棒，水面上升到了8厘米，请你求出这个长方体小棒的体积是多少？(提示：插入小棒前后水的体积不变)
<gadget id="calculator">8 - 6</gadget>
<output>2</output>

<gadget id="calculator">20 / 8</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">50 * 2 * (5/2)</gadget>
<output>250</output>

<result>250</result>