No problem, we've got 89789569 and 48879048 to multiply
89789569 × 48879048 = 48879048 × (89789569)
+ 48879048 × 9 giving us 439911432
+ 48879048 × 60 giving us 2932742880
+ 48879048 × 500 resulting in 24439524000
+ 48879048 × 9000 that is equal 439911432000
+ 48879048 × 80000 what gives us 3910323840000
+ 48879048 × 700000 resulting in 34215333600000
+ 48879048 × 9000000 what gives us 439911432000000
+ 48879048 × 80000000 producing 3910323840000000

= 4388828653050312
