请帮我解答，并以生动有趣的方式把我讲会。我是小学二年级学生。---Question Number: 24. Question Stem: 一瓶油连瓶重 720 克, 倒出一半的油后, 还重 470 克, 这个油瓶重多少克? (5 分) Translation: A bottle of oil weighs 720 grams including the bottle. After pouring out half of the oil, it still weighs 470 grams. How many grams does this oil bottle weigh? (5 points) Other Relevant Text: (5 分) indicates the question is worth 5 points.