Complex sentence: Corcoran also gave $24,175 ($in dollars) to have the grounds landscaped and terraced, and for paths to be constructed, and an astonishing $79,840 ($in dollars) for other sundry other purposes.
Split into simpler sentences: Corcoran also gave $24,175 ($in dollars) to have the grounds landscaped and terraced, and for paths to be constructed. On top of this, Corcoran made a donation of $79,840 ($in dollars) for other sundry other purposes.