Alright, let's work through 18999966 times 87827164 step by step
18999966 × 87827164 = 87827164 × (18999966)
+ 87827164 × 6 that results in 526962984
+ 87827164 × 60 that is equal 5269629840
+ 87827164 × 900 what gives us 79044447600
+ 87827164 × 9000 producing 790444476000
+ 87827164 × 90000 producing 7904444760000
+ 87827164 × 900000 what gives us 79044447600000
+ 87827164 × 8000000 yielding 702617312000000
+ 87827164 × 10000000 that is equal 878271640000000

= 1668713129876424
