Mathematical Olympiad of primary school At 21:00 p.m. on March 19, 2012, the national development and Reform Commission issued the second fuel price increase in the year: it decided to increase the prices of gasoline and diesel by 600 yuan per ton from 0:00 p.m. on March 20, and the maximum supply prices of gasoline and diesel standard products for transportation, civil aviation and other special users after adjustment were 9580 yuan per ton and 8730 yuan per ton respectively. Sichuan Provincial Price Bureau decided to adjust the market oil price according to the national requirements from 0:00 p.m. on March 20 (1) A certain type of gasoline in Chengdu market is about 1277 liters per ton. The original price is 7.55 yuan per liter (2) When Mr. Zhang arrived at the gas station at 22:00, he found that there was only one gas dispenser open at the gas station, and there was a long queue of cars waiting for gas, and there were cars coming up behind him. In the process of waiting for refueling, Mr. Zhang found that it takes 3 minutes for each car to refuel on average, and the number of cars queuing behind increased by 2 every 3 minutes. When Mr. Zhang finished filling up, it was 23:12. At this time, the gas station decided to fill up all the waiting cars before adjusting the price of gasoline, so that the cars arriving at the station could fill up the gas without waiting. How many more gas dispensers should the gas station open at least?

Mathematical Olympiad of primary school At 21:00 p.m. on March 19, 2012, the national development and Reform Commission issued the second fuel price increase in the year: it decided to increase the prices of gasoline and diesel by 600 yuan per ton from 0:00 p.m. on March 20, and the maximum supply prices of gasoline and diesel standard products for transportation, civil aviation and other special users after adjustment were 9580 yuan per ton and 8730 yuan per ton respectively. Sichuan Provincial Price Bureau decided to adjust the market oil price according to the national requirements from 0:00 p.m. on March 20 (1) A certain type of gasoline in Chengdu market is about 1277 liters per ton. The original price is 7.55 yuan per liter (2) When Mr. Zhang arrived at the gas station at 22:00, he found that there was only one gas dispenser open at the gas station, and there was a long queue of cars waiting for gas, and there were cars coming up behind him. In the process of waiting for refueling, Mr. Zhang found that it takes 3 minutes for each car to refuel on average, and the number of cars queuing behind increased by 2 every 3 minutes. When Mr. Zhang finished filling up, it was 23:12. At this time, the gas station decided to fill up all the waiting cars before adjusting the price of gasoline, so that the cars arriving at the station could fill up the gas without waiting. How many more gas dispensers should the gas station open at least?

600/1277+7.55=8.01985