Milk production difference in female locomotives

50 tons locomotives will produce about 6,000 liters, while 200 tons locomotive would produce 10,000 liters. If the difference of the amount of the milk production from the 50 tons locomotive is equal, i.e. the value between 50 tons locomotive is equal to the value of 200 tons locomotive then if the difference is 0 then the value of 400,000 L is the same as the value of 100,000 L.