Alright, let's work through 89074366 times 75537629 step by step
89074366 × 75537629 = 75537629 × (89074366)
+ 75537629 × 6 producing 453225774
+ 75537629 × 60 that results in 4532257740
+ 75537629 × 300 that is equal 22661288700
+ 75537629 × 4000 what gives us 302150516000
+ 75537629 × 70000 that equals 5287634030000
+ 75537629 × 000000 that equals 0
+ 75537629 × 9000000 that results in 679838661000000
+ 75537629 × 80000000 producing 6043010320000000

= 6728466412318214
