Alright, let's work through 6663 times 1842 step by step
6663 × 1842 = 1842 × (6663)
+ 1842 × 3 that is equal 5526
+ 1842 × 60 that equals 110520
+ 1842 × 600 giving us 1105200
+ 1842 × 6000 giving us 11052000

= 12273246
