Alright, let's work through 67440371 times 18904757 step by step
67440371 × 18904757 = 18904757 × (67440371)
+ 18904757 × 1 that is equal 18904757
+ 18904757 × 70 resulting in 1323332990
+ 18904757 × 300 that equals 5671427100
+ 18904757 × 0000 that is equal 0
+ 18904757 × 40000 that equals 756190280000
+ 18904757 × 400000 yielding 7561902800000
+ 18904757 × 7000000 that equals 132333299000000
+ 18904757 × 60000000 that results in 1134285420000000

= 1274943825744847
