Alright, let's work through 74980171 times 28081084 step by step
74980171 × 28081084 = 28081084 × (74980171)
+ 28081084 × 1 what gives us 28081084
+ 28081084 × 70 which equals 1965675880
+ 28081084 × 100 yielding 2808108400
+ 28081084 × 0000 yielding 0
+ 28081084 × 80000 which equals 2246486720000
+ 28081084 × 900000 resulting in 25272975600000
+ 28081084 × 4000000 that results in 112324336000000
+ 28081084 × 70000000 what gives us 1965675880000000

= 2105524480185364
