Alright, let's work through 39998419 times 38196683 step by step
39998419 × 38196683 = 38196683 × (39998419)
+ 38196683 × 9 what gives us 343770147
+ 38196683 × 10 giving us 381966830
+ 38196683 × 400 resulting in 15278673200
+ 38196683 × 8000 that results in 305573464000
+ 38196683 × 90000 that equals 3437701470000
+ 38196683 × 900000 that results in 34377014700000
+ 38196683 × 9000000 that results in 343770147000000
+ 38196683 × 30000000 which equals 1145900490000000

= 1527806931044177
