No problem, we've got 28163924 and 96877721 to multiply
28163924 × 96877721 = 96877721 × (28163924)
+ 96877721 × 4 which equals 387510884
+ 96877721 × 20 yielding 1937554420
+ 96877721 × 900 that results in 87189948900
+ 96877721 × 3000 giving us 290633163000
+ 96877721 × 60000 giving us 5812663260000
+ 96877721 × 100000 giving us 9687772100000
+ 96877721 × 8000000 resulting in 775021768000000
+ 96877721 × 20000000 resulting in 1937554420000000

= 2728456771537204
