Alright, let's work through 2991 times 192 step by step
2991 × 192 = 192 × (2991)
+ 192 × 1 what gives us 192
+ 192 × 90 producing 17280
+ 192 × 900 that is equal 172800
+ 192 × 2000 that results in 384000

= 574272
