Alright, let's work through 2381 times 2173 step by step
2381 × 2173 = 2173 × (2381)
+ 2173 × 1 yielding 2173
+ 2173 × 80 that is equal 173840
+ 2173 × 300 that results in 651900
+ 2173 × 2000 yielding 4346000

= 5173913
