"If you want to be healthy, drink Xiwang every day." A yogurt production line of Yichang Xiwang Milk Factory produces 24,000 cups of "Xiwang" yogurt in 6 hours. According to this calculation, how many cups of yogurt can be produced by 4 production lines a day?
"要想身体棒，天天喝喜旺．"宜昌喜旺牛奶厂一条酸奶生产线6小时生产"喜旺"酸奶24000杯．照这样计算，4条生产线一天可以生产多少万杯酸奶？
<result>4</result>