No problem, we've got 80444763 and 4427063 to multiply
80444763 × 4427063 = 4427063 × (80444763)
+ 4427063 × 3 which equals 13281189
+ 4427063 × 60 giving us 265623780
+ 4427063 × 700 yielding 3098944100
+ 4427063 × 4000 producing 17708252000
+ 4427063 × 40000 which equals 177082520000
+ 4427063 × 400000 resulting in 1770825200000
+ 4427063 × 0000000 resulting in 0
+ 4427063 × 80000000 that is equal 354165040000000

= 356134033821069
