A man x has 7 friends, 4 of them are ladies and 3 are men his wife y also have 7 friends, 3 of them are ladies and 4 are men. Assume x and y have no common friends. Then the total numver of ways in which x and y together can throw a party inviting 3 ladies and 3 men so so that 3 friends of each of x and y are in the party is
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thge aaadd
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