Alright, let's work through 1957 times 3663 step by step
1957 × 3663 = 3663 × (1957)
+ 3663 × 7 yielding 25641
+ 3663 × 50 what gives us 183150
+ 3663 × 900 giving us 3296700
+ 3663 × 1000 yielding 3663000

= 7168491
