Four Fours/168

Puzzle

Using exactly $4$ instances of the number $4$, the task is to write an expression for $168$, using whatever arithmetical operations you consider necessary.

Solutions

Solution $1$

$168 = \map \Gamma 4 \times 4! + \map \Gamma 4 \times 4$

Solution $2$

$168 = 4! \times \dfrac {4! + 4} 4$

Also see

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