No problem, we've got 80409422 and 20075230 to multiply
80409422 × 20075230 = 20075230 × (80409422)
+ 20075230 × 2 producing 40150460
+ 20075230 × 20 that results in 401504600
+ 20075230 × 400 resulting in 8030092000
+ 20075230 × 9000 which equals 180677070000
+ 20075230 × 00000 giving us 0
+ 20075230 × 400000 producing 8030092000000
+ 20075230 × 0000000 which equals 0
+ 20075230 × 80000000 which equals 1606018400000000

= 1614237640817060
