Alright, let's work through 1392 times 9775 step by step
1392 × 9775 = 9775 × (1392)
+ 9775 × 2 producing 19550
+ 9775 × 90 that equals 879750
+ 9775 × 300 resulting in 2932500
+ 9775 × 1000 producing 9775000

= 13606800
