Alright, let's work through 18384419 times 71794017 step by step
18384419 × 71794017 = 71794017 × (18384419)
+ 71794017 × 9 what gives us 646146153
+ 71794017 × 10 resulting in 717940170
+ 71794017 × 400 that results in 28717606800
+ 71794017 × 4000 giving us 287176068000
+ 71794017 × 80000 that results in 5743521360000
+ 71794017 × 300000 what gives us 21538205100000
+ 71794017 × 8000000 producing 574352136000000
+ 71794017 × 10000000 what gives us 717940170000000

= 1319891290221123
