Alright, let's work through 1395 times 4131 step by step
1395 × 4131 = 4131 × (1395)
+ 4131 × 5 producing 20655
+ 4131 × 90 yielding 371790
+ 4131 × 300 which equals 1239300
+ 4131 × 1000 that is equal 4131000

= 5762745
