Alright, let's work through 80595349 times 90408827 step by step
80595349 × 90408827 = 90408827 × (80595349)
+ 90408827 × 9 that equals 813679443
+ 90408827 × 40 that results in 3616353080
+ 90408827 × 300 which equals 27122648100
+ 90408827 × 5000 resulting in 452044135000
+ 90408827 × 90000 that equals 8136794430000
+ 90408827 × 500000 giving us 45204413500000
+ 90408827 × 0000000 what gives us 0
+ 90408827 × 80000000 producing 7232706160000000

= 7286530964745623
