Container A can hold 3000 ml of water, which is twice the amount of water in container B. How much water can be contained in container B?
甲容器可盛水3000毫升，是乙容器成水量的2倍，乙容器盛水多少毫升
<gadget id="calculator">3_000 / 2</gadget>
<output>1_500</output>

<result>1_500</result>