Alright, let's work through 2803 times 7213 step by step
2803 × 7213 = 7213 × (2803)
+ 7213 × 3 yielding 21639
+ 7213 × 00 producing 0
+ 7213 × 800 what gives us 5770400
+ 7213 × 2000 that results in 14426000

= 20218039
