Alright, let's work through 1084 times 9862 step by step
1084 × 9862 = 9862 × (1084)
+ 9862 × 4 yielding 39448
+ 9862 × 80 giving us 788960
+ 9862 × 000 yielding 0
+ 9862 × 1000 yielding 9862000

= 10690408
