Alright, let's work through 1539 times 6757 step by step
1539 × 6757 = 6757 × (1539)
+ 6757 × 9 that is equal 60813
+ 6757 × 30 yielding 202710
+ 6757 × 500 which equals 3378500
+ 6757 × 1000 that equals 6757000

= 10399023
