No problem, we've got 42587379 and 80383775 to multiply
42587379 × 80383775 = 80383775 × (42587379)
+ 80383775 × 9 that equals 723453975
+ 80383775 × 70 resulting in 5626864250
+ 80383775 × 300 which equals 24115132500
+ 80383775 × 7000 that results in 562686425000
+ 80383775 × 80000 that is equal 6430702000000
+ 80383775 × 500000 what gives us 40191887500000
+ 80383775 × 2000000 that is equal 160767550000000
+ 80383775 × 40000000 giving us 3215351000000000

= 3423334291375725
