Alright, let's work through 2173 times 1080 step by step
2173 × 1080 = 1080 × (2173)
+ 1080 × 3 that equals 3240
+ 1080 × 70 resulting in 75600
+ 1080 × 100 which equals 108000
+ 1080 × 2000 giving us 2160000

= 2346840
