Alright, let's work through 1572 times 2172 step by step
1572 × 2172 = 2172 × (1572)
+ 2172 × 2 that equals 4344
+ 2172 × 70 resulting in 152040
+ 2172 × 500 resulting in 1086000
+ 2172 × 1000 yielding 2172000

= 3414384
