Alright, let's work through 8203 times 442 step by step
8203 × 442 = 442 × (8203)
+ 442 × 3 giving us 1326
+ 442 × 00 resulting in 0
+ 442 × 200 yielding 88400
+ 442 × 8000 that is equal 3536000

= 3625726
