A rectangular container 100 cm long, 45 cm wide and 60 cm high is $$\frac{3}{10}$$ filled with used cooking oil from a restaurant. How much more used cooking oil can be poured into the container before it becomes full? Give your answer in litres. (1 l= 1000 cm³) <br> <input min="0" type="number" id ="imp5pg232q9b_1" class="lineinput" placeholder="?" /> $$l$$