We're going to solve 3121 multiplied by 1233
3121 × 1233 = 1233 × (3121)
+ 1233 × 1 that is equal 1233
+ 1233 × 20 that results in 24660
+ 1233 × 100 resulting in 123300
+ 1233 × 3000 which equals 3699000

= 3848193
