Alright, let's work through 16845374 times 81301196 step by step
16845374 × 81301196 = 81301196 × (16845374)
+ 81301196 × 4 resulting in 325204784
+ 81301196 × 70 that is equal 5691083720
+ 81301196 × 300 that results in 24390358800
+ 81301196 × 5000 resulting in 406505980000
+ 81301196 × 40000 resulting in 3252047840000
+ 81301196 × 800000 giving us 65040956800000
+ 81301196 × 6000000 what gives us 487807176000000
+ 81301196 × 10000000 which equals 813011960000000

= 1369549053267304
