Alright, let's work through 2402 times 2643 step by step
2402 × 2643 = 2643 × (2402)
+ 2643 × 2 that equals 5286
+ 2643 × 00 which equals 0
+ 2643 × 400 that results in 1057200
+ 2643 × 2000 which equals 5286000

= 6348486
