No problem, we've got 80194404 and 28403880 to multiply
80194404 × 28403880 = 28403880 × (80194404)
+ 28403880 × 4 producing 113615520
+ 28403880 × 00 what gives us 0
+ 28403880 × 400 what gives us 11361552000
+ 28403880 × 4000 producing 113615520000
+ 28403880 × 90000 producing 2556349200000
+ 28403880 × 100000 that equals 2840388000000
+ 28403880 × 0000000 which equals 0
+ 28403880 × 80000000 yielding 2272310400000000

= 2277832227887520
