Alright, let's work through 5160 times 4028 step by step
5160 × 4028 = 4028 × (5160)
+ 4028 × 0 yielding 0
+ 4028 × 60 what gives us 241680
+ 4028 × 100 that results in 402800
+ 4028 × 5000 giving us 20140000

= 20784480
