The number of drops in 3 gallons depends on the size of the drops and the container used to hold the liquid.

If we assume that the drops are standard-sized drops and that they are being dropped from a standard dropper bottle, we can estimate the number of drops in 3 gallons.

One gallon is equal to 128 fluid ounces, and a standard dropper bottle usually contains 1 fluid ounce. Assuming that there are approximately 20 drops per milliliter, this means that there are approximately 600 drops per fluid ounce.

Therefore, the number of drops in 3 gallons would be:

3 gallons x 128 fluid ounces/gallon x 600 drops/fluid ounce = 230,400 drops

So, there would be approximately 230,400 drops in 3 gallons, based on these assumptions.