711

fact: the number 7 and 11 is not a thing in the times (X) in math.

2 4 6 8 10 12, no 7 or 11.
3 6 9 12, no 7 or 11.
4 8 12, no 7 or 11.
5 10 15, no 7 or 11.
6, 12, no 7 or 11.
7 14, no 11.
8 16, no 11.
9 18, no 11.

if u understand well yknow.