Alright, let's work through 2129 times 9126 step by step
2129 × 9126 = 9126 × (2129)
+ 9126 × 9 which equals 82134
+ 9126 × 20 that equals 182520
+ 9126 × 100 resulting in 912600
+ 9126 × 2000 resulting in 18252000

= 19429254
