Alright, let's work through 90084923 times 74995411 step by step
90084923 × 74995411 = 74995411 × (90084923)
+ 74995411 × 3 resulting in 224986233
+ 74995411 × 20 that is equal 1499908220
+ 74995411 × 900 what gives us 67495869900
+ 74995411 × 4000 that equals 299981644000
+ 74995411 × 80000 that equals 5999632880000
+ 74995411 × 000000 that results in 0
+ 74995411 × 0000000 that equals 0
+ 74995411 × 90000000 resulting in 6749586990000000

= 6755955825288353
