Alright, let's work through 66028214 times 83123945 step by step
66028214 × 83123945 = 83123945 × (66028214)
+ 83123945 × 4 what gives us 332495780
+ 83123945 × 10 resulting in 831239450
+ 83123945 × 200 that results in 16624789000
+ 83123945 × 8000 producing 664991560000
+ 83123945 × 20000 that is equal 1662478900000
+ 83123945 × 000000 that equals 0
+ 83123945 × 6000000 giving us 498743670000000
+ 83123945 × 60000000 producing 4987436700000000

= 5488525628984230
