Alright, let's work through 6312 times 231 step by step
6312 × 231 = 231 × (6312)
+ 231 × 2 that is equal 462
+ 231 × 10 that equals 2310
+ 231 × 300 that equals 69300
+ 231 × 6000 yielding 1386000

= 1458072
