No problem, we've got 89489590 and 45719880 to multiply
89489590 × 45719880 = 45719880 × (89489590)
+ 45719880 × 0 resulting in 0
+ 45719880 × 90 what gives us 4114789200
+ 45719880 × 500 that equals 22859940000
+ 45719880 × 9000 which equals 411478920000
+ 45719880 × 80000 that is equal 3657590400000
+ 45719880 × 400000 resulting in 18287952000000
+ 45719880 × 9000000 which equals 411478920000000
+ 45719880 × 80000000 giving us 3657590400000000

= 4091453316049200
