1 l = 1000 cm&sup3; and 1 ml = 1 cm&sup3;.<br><br>&bull; 18 l = 18 × 1000 = 18000 cm&sup3;<br>&bull; 5 ml = 5 cm&sup3;<br>&bull; Total = 18000 + 5 = 18005 cm&sup3;<br><br>Final Answer: 18005