The length, width and height of a cuboid glass container measured from the inside are 5, 3 and 8 decimeters respectively. Water is poured into this container. When the cuboid formed by the water in the container appears for the second time and the opposite surface is a square, what is the volume of the water in cubic decimeters?
长方体玻璃容器，从里面量得长、宽、高分别是5、3、8分米．向这个容器中注水，当容器中的水所形成的长方体第二次出现相对的面是正方形时，水的体积是多少立方分米．
<gadget id="calculator">5 * 5 * 3</gadget>
<output>75</output>

<result>75</result>