No problem, we've got 80768452 and 11531430 to multiply
80768452 × 11531430 = 11531430 × (80768452)
+ 11531430 × 2 resulting in 23062860
+ 11531430 × 50 which equals 576571500
+ 11531430 × 400 what gives us 4612572000
+ 11531430 × 8000 that results in 92251440000
+ 11531430 × 60000 giving us 691885800000
+ 11531430 × 700000 yielding 8072001000000
+ 11531430 × 0000000 giving us 0
+ 11531430 × 80000000 yielding 922514400000000

= 931375750446360
