Alright, let's work through 2643 times 4396 step by step
2643 × 4396 = 4396 × (2643)
+ 4396 × 3 giving us 13188
+ 4396 × 40 that equals 175840
+ 4396 × 600 what gives us 2637600
+ 4396 × 2000 producing 8792000

= 11618628
