Alright, let's work through 2138 times 2339 step by step
2138 × 2339 = 2339 × (2138)
+ 2339 × 8 resulting in 18712
+ 2339 × 30 what gives us 70170
+ 2339 × 100 which equals 233900
+ 2339 × 2000 producing 4678000

= 5000782
