Alright, let's work through 4003 times 6207 step by step
4003 × 6207 = 6207 × (4003)
+ 6207 × 3 that is equal 18621
+ 6207 × 00 what gives us 0
+ 6207 × 000 that equals 0
+ 6207 × 4000 that equals 24828000

= 24846621
