We're going to solve 2121 multiplied by 6447
2121 × 6447 = 6447 × (2121)
+ 6447 × 1 resulting in 6447
+ 6447 × 20 resulting in 128940
+ 6447 × 100 that equals 644700
+ 6447 × 2000 what gives us 12894000

= 13674087
