Assuming the gasoline has the same approximate drop size as water, Nemanex tropfen Bewertung there are 20 drops per ml.
Therefore 2 drops per second = 120 drops/min = 7200 drops/hr = 172800 drops/day = 1,209,600 drops/wk Divide that by 20000 (drops/liter) gives you about 60.5 liters.