Let's calculate 2124 x 5751
2124 × 5751 = 5751 × (2124)
+ 5751 × 4 that results in 23004
+ 5751 × 20 that results in 115020
+ 5751 × 100 which equals 575100
+ 5751 × 2000 resulting in 11502000

= 12215124
