Alright, let's work through 2842 times 1140 step by step
2842 × 1140 = 1140 × (2842)
+ 1140 × 2 yielding 2280
+ 1140 × 40 giving us 45600
+ 1140 × 800 that equals 912000
+ 1140 × 2000 that equals 2280000

= 3239880
