Alright, let's work through 9492 times 1640 step by step
9492 × 1640 = 1640 × (9492)
+ 1640 × 2 yielding 3280
+ 1640 × 90 giving us 147600
+ 1640 × 400 that equals 656000
+ 1640 × 9000 producing 14760000

= 15566880
