1. **State the problem:** Hilda has 3 gallons of lemonade and wants to know how many milliliters (mL) that equals. 2. **Formula and conversion factor:** We use the conversion between gallons and milliliters. 1 gallon = 3785.41 mL. 3. **Calculate total milliliters:** Multiply the number of gallons by the conversion factor: $$3 \text{ gallons} \times 3785.41 \text{ mL/gallon} = 11356.23 \text{ mL}$$ 4. **Interpretation:** Hilda has 11356.23 milliliters of lemonade in total. This means she can pour about 11356 milliliters of lemonade into small bottles.