Alright, let's work through 80541551 times 42842419 step by step
80541551 × 42842419 = 42842419 × (80541551)
+ 42842419 × 1 that is equal 42842419
+ 42842419 × 50 that equals 2142120950
+ 42842419 × 500 which equals 21421209500
+ 42842419 × 1000 which equals 42842419000
+ 42842419 × 40000 that is equal 1713696760000
+ 42842419 × 500000 that results in 21421209500000
+ 42842419 × 0000000 which equals 0
+ 42842419 × 80000000 that is equal 3427393520000000

= 3450594874851869
