Alright, let's work through 80393065 times 34555211 step by step
80393065 × 34555211 = 34555211 × (80393065)
+ 34555211 × 5 yielding 172776055
+ 34555211 × 60 which equals 2073312660
+ 34555211 × 000 what gives us 0
+ 34555211 × 3000 yielding 103665633000
+ 34555211 × 90000 which equals 3109968990000
+ 34555211 × 300000 resulting in 10366563300000
+ 34555211 × 0000000 which equals 0
+ 34555211 × 80000000 which equals 2764416880000000

= 2777999324011715
