There are 6 bottles of oil of the same mass on the left end of the balance, and a weight of 3000 grams is placed on the right end of the balance. At this time, the balance is just balanced. How many grams does each bottle of oil weigh?
天平的左端放着质量相同的6瓶油，右端放3000克砝码，这时天平恰好平衡，每瓶油重多少克？
<gadget id="calculator">3_000 / 6</gadget>
<output>500</output>

<result>500</result>