Alright, let's work through 7755 times 5113 step by step
7755 × 5113 = 5113 × (7755)
+ 5113 × 5 yielding 25565
+ 5113 × 50 producing 255650
+ 5113 × 700 producing 3579100
+ 5113 × 7000 resulting in 35791000

= 39651315
