Four Fours/168/Solutions

Puzzle: Four Fours: $168$

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 $2$

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