Alright, let's work through 1977368 times 72019055 step by step
1977368 × 72019055 = 72019055 × (1977368)
+ 72019055 × 8 resulting in 576152440
+ 72019055 × 60 which equals 4321143300
+ 72019055 × 300 what gives us 21605716500
+ 72019055 × 7000 yielding 504133385000
+ 72019055 × 70000 resulting in 5041333850000
+ 72019055 × 900000 that equals 64817149500000
+ 72019055 × 1000000 resulting in 72019055000000

= 142408174747240
