Alright, let's work through 2173 times 3670 step by step
2173 × 3670 = 3670 × (2173)
+ 3670 × 3 that results in 11010
+ 3670 × 70 which equals 256900
+ 3670 × 100 resulting in 367000
+ 3670 × 2000 that equals 7340000

= 7974910
