Alright, let's work through 3121 times 7043 step by step
3121 × 7043 = 7043 × (3121)
+ 7043 × 1 giving us 7043
+ 7043 × 20 which equals 140860
+ 7043 × 100 that results in 704300
+ 7043 × 3000 that results in 21129000

= 21981203
