Alright, let's work through 6203 times 406 step by step
6203 × 406 = 406 × (6203)
+ 406 × 3 giving us 1218
+ 406 × 00 what gives us 0
+ 406 × 200 producing 81200
+ 406 × 6000 producing 2436000

= 2518418
