In how many ways can 7 gentlemen and 7 ladies sit down at a round table. NO 2 ladies being together?

In how many ways can 7 gentlemen and 7 ladies sit down at a round table. NO 2 ladies being together?
1). 6! X 7! ways
2). 7! X 7! ways
3). 6! X 6! ways
4). 6! ways

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