4 liters of milk are poured into 8 bottles, how many milliliters of milk are contained in each bottle?
将4升牛奶倒在8个瓶子中，平均每个瓶子装牛奶多少毫升？
<gadget id="calculator">4 * 1_000</gadget>
<output>4_000</output>

<gadget id="calculator">4_000 / 8</gadget>
<output>500</output>

<result>500</result>