Alright, let's work through 8103 times 1406 step by step
8103 × 1406 = 1406 × (8103)
+ 1406 × 3 producing 4218
+ 1406 × 00 which equals 0
+ 1406 × 100 producing 140600
+ 1406 × 8000 that equals 11248000

= 11392818
