Alright, let's work through 81068258 times 68951055 step by step
81068258 × 68951055 = 68951055 × (81068258)
+ 68951055 × 8 that equals 551608440
+ 68951055 × 50 that equals 3447552750
+ 68951055 × 200 giving us 13790211000
+ 68951055 × 8000 which equals 551608440000
+ 68951055 × 60000 yielding 4137063300000
+ 68951055 × 000000 which equals 0
+ 68951055 × 1000000 that equals 68951055000000
+ 68951055 × 80000000 that results in 5516084400000000

= 5589741916112190
