Alright, let's work through 1243 times 2806 step by step
1243 × 2806 = 2806 × (1243)
+ 2806 × 3 giving us 8418
+ 2806 × 40 which equals 112240
+ 2806 × 200 which equals 561200
+ 2806 × 1000 producing 2806000

= 3487858
