Alright, let's work through 2103 times 9029 step by step
2103 × 9029 = 9029 × (2103)
+ 9029 × 3 which equals 27087
+ 9029 × 00 what gives us 0
+ 9029 × 100 giving us 902900
+ 9029 × 2000 resulting in 18058000

= 18987987
