Alright, let's work through 8543 times 4058 step by step
8543 × 4058 = 4058 × (8543)
+ 4058 × 3 giving us 12174
+ 4058 × 40 that results in 162320
+ 4058 × 500 yielding 2029000
+ 4058 × 8000 which equals 32464000

= 34667494
