Alright, let's work through 6437 times 3582 step by step
6437 × 3582 = 3582 × (6437)
+ 3582 × 7 yielding 25074
+ 3582 × 30 that is equal 107460
+ 3582 × 400 that results in 1432800
+ 3582 × 6000 which equals 21492000

= 23057334
