No problem, we've got 80519608 and 71873518 to multiply
80519608 × 71873518 = 71873518 × (80519608)
+ 71873518 × 8 that results in 574988144
+ 71873518 × 00 what gives us 0
+ 71873518 × 600 giving us 43124110800
+ 71873518 × 9000 giving us 646861662000
+ 71873518 × 10000 resulting in 718735180000
+ 71873518 × 500000 which equals 35936759000000
+ 71873518 × 0000000 resulting in 0
+ 71873518 × 80000000 giving us 5749881440000000

= 5787227494940944
