Alright, let's work through 7760 times 1107 step by step
7760 × 1107 = 1107 × (7760)
+ 1107 × 0 that results in 0
+ 1107 × 60 what gives us 66420
+ 1107 × 700 yielding 774900
+ 1107 × 7000 that equals 7749000

= 8590320
