Alright, let's work through 6169 times 8721 step by step
6169 × 8721 = 8721 × (6169)
+ 8721 × 9 that is equal 78489
+ 8721 × 60 what gives us 523260
+ 8721 × 100 giving us 872100
+ 8721 × 6000 what gives us 52326000

= 53799849
