Alright, let's work through 2782 times 1523 step by step
2782 × 1523 = 1523 × (2782)
+ 1523 × 2 which equals 3046
+ 1523 × 80 producing 121840
+ 1523 × 700 resulting in 1066100
+ 1523 × 2000 that equals 3046000

= 4236986
