No problem, we've got 81717442 and 42875142 to multiply
81717442 × 42875142 = 42875142 × (81717442)
+ 42875142 × 2 giving us 85750284
+ 42875142 × 40 producing 1715005680
+ 42875142 × 400 yielding 17150056800
+ 42875142 × 7000 that is equal 300125994000
+ 42875142 × 10000 producing 428751420000
+ 42875142 × 700000 what gives us 30012599400000
+ 42875142 × 1000000 giving us 42875142000000
+ 42875142 × 80000000 that equals 3430011360000000

= 3503646929626764
