Alright, let's work through 84369337 times 74521837 step by step
84369337 × 74521837 = 74521837 × (84369337)
+ 74521837 × 7 what gives us 521652859
+ 74521837 × 30 which equals 2235655110
+ 74521837 × 300 that equals 22356551100
+ 74521837 × 9000 giving us 670696533000
+ 74521837 × 60000 resulting in 4471310220000
+ 74521837 × 300000 that equals 22356551100000
+ 74521837 × 4000000 that is equal 298087348000000
+ 74521837 × 80000000 resulting in 5961746960000000

= 6287357979712069
