Alright, let's work through 1113 times 1421 step by step
1113 × 1421 = 1421 × (1113)
+ 1421 × 3 what gives us 4263
+ 1421 × 10 giving us 14210
+ 1421 × 100 resulting in 142100
+ 1421 × 1000 producing 1421000

= 1581573
