Original: In total, the USA delivered 1,783,573 tons, while 541,937 tons were delivered by the RAF, totaling 2,326,406 tons of food and supplies on 278,228 total flights to Berlin.
Simplified: 278,228 flights were made, and 2,326,406 tons of food and supplies, including more than 1.5 million tons of coal, were delivered to Berlin.