Alright, let's work through 1541 times 6660 step by step
1541 × 6660 = 6660 × (1541)
+ 6660 × 1 that is equal 6660
+ 6660 × 40 yielding 266400
+ 6660 × 500 giving us 3330000
+ 6660 × 1000 producing 6660000

= 10263060
