Alright, let's work through 1543 times 6557 step by step
1543 × 6557 = 6557 × (1543)
+ 6557 × 3 which equals 19671
+ 6557 × 40 yielding 262280
+ 6557 × 500 that is equal 3278500
+ 6557 × 1000 what gives us 6557000

= 10117451
