| Catchment Area | Water Abstracted (Gigalitres, GL) |
|---|---|
| Murrumbidgee | 1438.6 |
| Goulburn | 912.4 |
| Lower Darling | 187.9 |
| Lachlan | 345.8 |
Using Table 1, calculate the total volume of water abstracted for irrigation across these four catchments in the Murray-Darling Basin during the 2022–23 water year.
Show your working and give your answer to one decimal place.