Alright, let's work through 90477346 times 85343200 step by step
90477346 × 85343200 = 85343200 × (90477346)
+ 85343200 × 6 yielding 512059200
+ 85343200 × 40 what gives us 3413728000
+ 85343200 × 300 that results in 25602960000
+ 85343200 × 7000 resulting in 597402400000
+ 85343200 × 70000 what gives us 5974024000000
+ 85343200 × 400000 that equals 34137280000000
+ 85343200 × 0000000 that equals 0
+ 85343200 × 90000000 producing 7680888000000000

= 7721626235147200
