Complex sentence: Australia amassed its largest score for the tour against Gloucestershire, making 7/774 before winnings by an innings and 363 runs, before amassing 5/560 against Somerset and winning by an innings and 374 runs in less than two days.
Split into simpler sentences: Australia amassed its largest score for the tour against Gloucestershire, making 7/774 before winning by an innings and 363 runs. After the Tests, Australia compiled 5/560 against Somerset and won by an innings and 374 runs in less than two days.