Alright, let's work through 5151 times 8879 step by step
5151 × 8879 = 8879 × (5151)
+ 8879 × 1 what gives us 8879
+ 8879 × 50 that equals 443950
+ 8879 × 100 that results in 887900
+ 8879 × 5000 what gives us 44395000

= 45735729
