No problem, we've got 47480483 and 16402522 to multiply
47480483 × 16402522 = 16402522 × (47480483)
+ 16402522 × 3 that is equal 49207566
+ 16402522 × 80 yielding 1312201760
+ 16402522 × 400 what gives us 6561008800
+ 16402522 × 0000 yielding 0
+ 16402522 × 80000 producing 1312201760000
+ 16402522 × 400000 resulting in 6561008800000
+ 16402522 × 7000000 giving us 114817654000000
+ 16402522 × 40000000 giving us 656100880000000

= 778799666978126
