Alright, let's work through 1023 times 6247 step by step
1023 × 6247 = 6247 × (1023)
+ 6247 × 3 that equals 18741
+ 6247 × 20 resulting in 124940
+ 6247 × 000 that results in 0
+ 6247 × 1000 that results in 6247000

= 6390681
