Alright, let's work through 6487 times 4236 step by step
6487 × 4236 = 4236 × (6487)
+ 4236 × 7 resulting in 29652
+ 4236 × 80 yielding 338880
+ 4236 × 400 yielding 1694400
+ 4236 × 6000 that equals 25416000

= 27478932
