Alright, let's work through 5381 times 82 step by step
5381 × 82 = 82 × (5381)
+ 82 × 1 what gives us 82
+ 82 × 80 resulting in 6560
+ 82 × 300 resulting in 24600
+ 82 × 5000 what gives us 410000

= 441242
