Alright, let's work through 2486 times 6311 step by step
2486 × 6311 = 6311 × (2486)
+ 6311 × 6 resulting in 37866
+ 6311 × 80 giving us 504880
+ 6311 × 400 resulting in 2524400
+ 6311 × 2000 resulting in 12622000

= 15689146
