Răspuns:
[tex]742\text{ hl} + 26\text{ kl} + 42~670\text{ l} =\\=74~200\text{ l} + 26~000\text{ l} + 42~670\text{ l} =\\=142~870\text{ l}[/tex]
[tex]62~109\text{ dal}+72~800\text{ l}-310~000\text{ cl} =\\=621~090\text{ dal}+7~280\text{ dal} - 310\text{ dal}=\\=628~060\text{ dal}[/tex]