Alright, let's work through 50045680 times 77064507 step by step
50045680 × 77064507 = 77064507 × (50045680)
+ 77064507 × 0 which equals 0
+ 77064507 × 80 yielding 6165160560
+ 77064507 × 600 resulting in 46238704200
+ 77064507 × 5000 what gives us 385322535000
+ 77064507 × 40000 yielding 3082580280000
+ 77064507 × 000000 giving us 0
+ 77064507 × 0000000 giving us 0
+ 77064507 × 50000000 that is equal 3853225350000000

= 3856745656679760
