Alright, let's work through 5155 times 8645 step by step
5155 × 8645 = 8645 × (5155)
+ 8645 × 5 that equals 43225
+ 8645 × 50 giving us 432250
+ 8645 × 100 yielding 864500
+ 8645 × 5000 which equals 43225000

= 44564975
