No problem, we've got 6408227 and 59259921 to multiply
6408227 × 59259921 = 59259921 × (6408227)
+ 59259921 × 7 what gives us 414819447
+ 59259921 × 20 that results in 1185198420
+ 59259921 × 200 yielding 11851984200
+ 59259921 × 8000 that equals 474079368000
+ 59259921 × 00000 that results in 0
+ 59259921 × 400000 that equals 23703968400000
+ 59259921 × 6000000 that equals 355559526000000

= 379751025770067
