Alright, let's work through 8390 times 1048 step by step
8390 × 1048 = 1048 × (8390)
+ 1048 × 0 giving us 0
+ 1048 × 90 that equals 94320
+ 1048 × 300 that equals 314400
+ 1048 × 8000 what gives us 8384000

= 8792720
