Alright, let's work through 2991 times 6192 step by step
2991 × 6192 = 6192 × (2991)
+ 6192 × 1 that equals 6192
+ 6192 × 90 producing 557280
+ 6192 × 900 that is equal 5572800
+ 6192 × 2000 that equals 12384000

= 18520272
