Carbon-14 dating reveals that the megalithic monuments in Brittany are nearly 2,000 years as old as any of their supposed Mediterranean predecessors.
as old as any of their supposed
older than any of their supposed
as old as their supposed
older than any of their supposedly
as old as their supposedly
X is 200 times as old as Y -- CORRECT. However, X is 200 years as old as Y -- WRONG.
it should be: X is 200 years older than Y