Alright, let's work through 2846 times 1138 step by step
2846 × 1138 = 1138 × (2846)
+ 1138 × 6 which equals 6828
+ 1138 × 40 that is equal 45520
+ 1138 × 800 what gives us 910400
+ 1138 × 2000 that results in 2276000

= 3238748
