Alright, let's work through 1386 times 3456 step by step
1386 × 3456 = 3456 × (1386)
+ 3456 × 6 producing 20736
+ 3456 × 80 that equals 276480
+ 3456 × 300 that results in 1036800
+ 3456 × 1000 resulting in 3456000

= 4790016
