Alright, let's work through 2143 times 5429 step by step
2143 × 5429 = 5429 × (2143)
+ 5429 × 3 producing 16287
+ 5429 × 40 what gives us 217160
+ 5429 × 100 resulting in 542900
+ 5429 × 2000 resulting in 10858000

= 11634347
