Alright, let's work through 81088200 times 86725726 step by step
81088200 × 86725726 = 86725726 × (81088200)
+ 86725726 × 0 that equals 0
+ 86725726 × 00 resulting in 0
+ 86725726 × 200 that results in 17345145200
+ 86725726 × 8000 that equals 693805808000
+ 86725726 × 80000 that results in 6938058080000
+ 86725726 × 000000 giving us 0
+ 86725726 × 1000000 what gives us 86725726000000
+ 86725726 × 80000000 which equals 6938058080000000

= 7032433015033200
