Alright, let's work through 48077519 times 73978675 step by step
48077519 × 73978675 = 73978675 × (48077519)
+ 73978675 × 9 that is equal 665808075
+ 73978675 × 10 what gives us 739786750
+ 73978675 × 500 which equals 36989337500
+ 73978675 × 7000 giving us 517850725000
+ 73978675 × 70000 that is equal 5178507250000
+ 73978675 × 000000 which equals 0
+ 73978675 × 8000000 yielding 591829400000000
+ 73978675 × 40000000 which equals 2959147000000000

= 3556711152907325
