Tank X contains 200 $$l$$ of water. Tank Y contains 106 $$l$$ of water less than tank X. Tank Z contains 30 $$l$$ of water more than tank Y. How many litres of water does tank Z contain? <br> <input min="0" type="number" id ="imp3pg050q7_1" class="lineinput" placeholder="?" /> $$l$$