Alright, let's work through 1966 times 9541 step by step
1966 × 9541 = 9541 × (1966)
+ 9541 × 6 yielding 57246
+ 9541 × 60 yielding 572460
+ 9541 × 900 that is equal 8586900
+ 9541 × 1000 that equals 9541000

= 18757606
