Is 3! + 4! = 7!?

$3 !=1 \times 2 \times 3=6$

$4 !=1 \times 2 \times 3 \times 4=24$

$\therefore 3 !+4 !=6+24=30$

$7 !=1 \times 2 \times 3 \times 4 \times 5 \times 6 \times 7=5040$

$\therefore 3 !+4 ! \neq 7 !$