Alright, let's work through 2173 times 2199 step by step
2173 × 2199 = 2199 × (2173)
+ 2199 × 3 that is equal 6597
+ 2199 × 70 that equals 153930
+ 2199 × 100 that results in 219900
+ 2199 × 2000 what gives us 4398000

= 4778427
