Alright, let's work through 6663 times 1057 step by step
6663 × 1057 = 1057 × (6663)
+ 1057 × 3 resulting in 3171
+ 1057 × 60 that equals 63420
+ 1057 × 600 resulting in 634200
+ 1057 × 6000 that results in 6342000

= 7042791
