Alright, let's work through 1438 times 2172 step by step
1438 × 2172 = 2172 × (1438)
+ 2172 × 8 giving us 17376
+ 2172 × 30 that results in 65160
+ 2172 × 400 that equals 868800
+ 2172 × 1000 yielding 2172000

= 3123336
