Xiaohong fills a cuboid container with a length of 1 decimeter, a width of 8 cm, and a height of 5 cm. After filling it with water, she pours it into a square container, which is exactly half of the cube. What is the volume of the cube in milliliters?
小红把一个长1分米，宽8厘米，高5厘米的长方体容器里装满水后，倒入一个正方形容器中，正好倒了正方体的一半，正方体的容积是多少毫升？
<gadget id="calculator">1 * 10 * 8 * 5 * 2</gadget>
<output>800</output>

<result>800</result>