We're going to solve 42678747 multiplied by 72386777
42678747 × 72386777 = 72386777 × (42678747)
+ 72386777 × 7 what gives us 506707439
+ 72386777 × 40 that equals 2895471080
+ 72386777 × 700 resulting in 50670743900
+ 72386777 × 8000 producing 579094216000
+ 72386777 × 70000 that equals 5067074390000
+ 72386777 × 600000 yielding 43432066200000
+ 72386777 × 2000000 giving us 144773554000000
+ 72386777 × 40000000 giving us 2895471080000000

= 3089376941728419
