Alright, let's work through 2002 times 3121 step by step
2002 × 3121 = 3121 × (2002)
+ 3121 × 2 resulting in 6242
+ 3121 × 00 giving us 0
+ 3121 × 000 that equals 0
+ 3121 × 2000 that results in 6242000

= 6248242
