Hello Jamyr,
Like we already discussed in private, it is like that:
Line 4: 5 7's = x300
Line 6: 2 7's = x0.5
Line 12: 2 7's = x0.5
Line 19: 3 7's = x5
Total multiplier x306
Congratulations to Johonna76!
Yup, got confused with line 19. Thanks for clarifying it once again Baryom!