There is a cylindrical container with a height of 8 cm and a volume of 50 mL filled with water. Now put a small cylindrical rod with a length of 16 cm vertically so that the bottom surface of the small rod is completely in contact with the bottom surface of the container. At this time, a part of the water Spilled from the container. When the stick is removed from the container, the height of the water in the container is only 6 cm. What is the volume of the stick in cubic centimeters?
有一个高8cm，容积为50mL的圆柱形容器中装满了水，现把一个长16cm的圆柱形小棒垂直放入，使小棒的下底面和容器的底面完全接触，这时有一部分水从容器中溢出．当把小棒从容器中取走后，容器中水的高度只有6cm，小棒的体积是多少立方厘米？
<gadget id="calculator">50 / 8</gadget>
<output>25/4 = around 6.25</output>

<gadget id="calculator">8 - 6</gadget>
<output>2</output>

<gadget id="calculator">(25/4) * 2</gadget>
<output>25/2 = around 12.5</output>

<gadget id="calculator">(25/2) * 2</gadget>
<output>25</output>

<result>25</result>