Alright, let's work through 1356 times 3781 step by step
1356 × 3781 = 3781 × (1356)
+ 3781 × 6 that equals 22686
+ 3781 × 50 producing 189050
+ 3781 × 300 yielding 1134300
+ 3781 × 1000 resulting in 3781000

= 5127036
