No problem, we've got 84372814 and 67026379 to multiply
84372814 × 67026379 = 67026379 × (84372814)
+ 67026379 × 4 which equals 268105516
+ 67026379 × 10 that equals 670263790
+ 67026379 × 800 producing 53621103200
+ 67026379 × 2000 which equals 134052758000
+ 67026379 × 70000 that is equal 4691846530000
+ 67026379 × 300000 resulting in 20107913700000
+ 67026379 × 4000000 that equals 268105516000000
+ 67026379 × 80000000 giving us 5362110320000000

= 5655204208460506
