No problem, we've got 78990404 and 28109732 to multiply
78990404 × 28109732 = 28109732 × (78990404)
+ 28109732 × 4 producing 112438928
+ 28109732 × 00 what gives us 0
+ 28109732 × 400 what gives us 11243892800
+ 28109732 × 0000 that is equal 0
+ 28109732 × 90000 resulting in 2529875880000
+ 28109732 × 900000 what gives us 25298758800000
+ 28109732 × 8000000 giving us 224877856000000
+ 28109732 × 70000000 that is equal 1967681240000000

= 2220399087011728
