Alright, let's work through 84085162 times 78387414 step by step
84085162 × 78387414 = 78387414 × (84085162)
+ 78387414 × 2 that is equal 156774828
+ 78387414 × 60 yielding 4703244840
+ 78387414 × 100 that is equal 7838741400
+ 78387414 × 5000 resulting in 391937070000
+ 78387414 × 80000 resulting in 6270993120000
+ 78387414 × 000000 resulting in 0
+ 78387414 × 4000000 what gives us 313549656000000
+ 78387414 × 80000000 that results in 6270993120000000

= 6591218404951068
