Alright, let's work through 1023 times 5986 step by step
1023 × 5986 = 5986 × (1023)
+ 5986 × 3 that results in 17958
+ 5986 × 20 yielding 119720
+ 5986 × 000 yielding 0
+ 5986 × 1000 that equals 5986000

= 6123678
