No problem, we've got 87893849 and 55090404 to multiply
87893849 × 55090404 = 55090404 × (87893849)
+ 55090404 × 9 which equals 495813636
+ 55090404 × 40 giving us 2203616160
+ 55090404 × 800 which equals 44072323200
+ 55090404 × 3000 yielding 165271212000
+ 55090404 × 90000 resulting in 4958136360000
+ 55090404 × 800000 giving us 44072323200000
+ 55090404 × 7000000 that is equal 385632828000000
+ 55090404 × 80000000 resulting in 4407232320000000

= 4842107650524996
