That depends on what the food or beverage is. Please put that information in your question.
There are 3,072 teaspoons of water in US gallons.
3840
3,072 teaspoons is four gallons.
51 US gallons is 39,168 teaspoons
1,248 US teaspoons = 1.625 US gallons.
500 US teaspoons = ~0.65 US gallons.
500,000,000 US gallons = 384,000,000,000 US teaspoons.
36 US gallons = 27,648 US teaspoons.
11,000 US teaspoons = ~14.3 US gallons.
That is 2,112 teaspoons.
That is approximately 1,920 teaspoons.
There is approximately 10 ml in 2 teaspoons - that is a tiny fraction of gallons.
5 ml = 1.01 tsp/90 gal
1,200 teaspoons is equal to 25 US cups OR 1.5625 US gallons.