Alright, let's work through 9844 times 2140 step by step
9844 × 2140 = 2140 × (9844)
+ 2140 × 4 that equals 8560
+ 2140 × 40 that equals 85600
+ 2140 × 800 which equals 1712000
+ 2140 × 9000 producing 19260000

= 21066160
