Alright, let's work through 2123 times 1517 step by step
2123 × 1517 = 1517 × (2123)
+ 1517 × 3 which equals 4551
+ 1517 × 20 which equals 30340
+ 1517 × 100 that equals 151700
+ 1517 × 2000 what gives us 3034000

= 3220591
