No problem, we've got 4478363 and 78974672 to multiply
4478363 × 78974672 = 78974672 × (4478363)
+ 78974672 × 3 yielding 236924016
+ 78974672 × 60 producing 4738480320
+ 78974672 × 300 giving us 23692401600
+ 78974672 × 8000 which equals 631797376000
+ 78974672 × 70000 yielding 5528227040000
+ 78974672 × 400000 producing 31589868800000
+ 78974672 × 4000000 giving us 315898688000000

= 353677249021936
