Jenny has 6 tops, 6 bottoms, 2 belts and 1 bracelets.
So, Jenny has 6 options to select the Top.
He has 6 options to select the bottom
2 ways to select the belt
And, 1 way to select bracelet.
So, using multiplication rule of permutation and combination
The different outfits the Jenny can create = 6*6*2*1 =72 ways.
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