capacity

556 l +678 l=

579 l - 323 l =

100 ml + 600ml =

4 L 500 ml + 3 L 250 ml =

67 ml - 50 ml =

456 L + 200 L =

3000 ml + 234 ml =

3457 ml + 234 ml =

6 L 588 ml - 5 L 500 ml

1000 ml + 235 ml