Alright, let's work through 4253012 times 21280667 step by step
4253012 × 21280667 = 21280667 × (4253012)
+ 21280667 × 2 producing 42561334
+ 21280667 × 10 which equals 212806670
+ 21280667 × 000 which equals 0
+ 21280667 × 3000 yielding 63842001000
+ 21280667 × 50000 giving us 1064033350000
+ 21280667 × 200000 resulting in 4256133400000
+ 21280667 × 4000000 which equals 85122668000000

= 90506932119004
