Alright, let's work through 1335 times 2854 step by step
1335 × 2854 = 2854 × (1335)
+ 2854 × 5 what gives us 14270
+ 2854 × 30 yielding 85620
+ 2854 × 300 producing 856200
+ 2854 × 1000 producing 2854000

= 3810090
