3 if you r talking about both
72
The mystery ticket gives you to go to island 8 and9
No, 8 cannot go into 420 evenly.
1
The number that both 7 and 8 can go into evenly is 56.
-1
No, 8 cannot go into 42 evenly.
Not evenly.
Not evenly.
Not evenly.
Multiply them together.