Gerald had 5 pails. <br>Each pail had a capacity of 12 $$l$$. <br>He filled them with water to the brim and poured all the water from the 5 pails into a water tank. <hr> He poured <input min="0" type="number" id ="imp3pg145q3a_1" class="lineinput" placeholder="?" /> $$l$$ of water into the water tank.