Alright, let's work through 6003 times 1387 step by step
6003 × 1387 = 1387 × (6003)
+ 1387 × 3 that results in 4161
+ 1387 × 00 which equals 0
+ 1387 × 000 yielding 0
+ 1387 × 6000 what gives us 8322000

= 8326161
