Alright, let's work through 2460 times 6277 step by step
2460 × 6277 = 6277 × (2460)
+ 6277 × 0 that equals 0
+ 6277 × 60 resulting in 376620
+ 6277 × 400 that is equal 2510800
+ 6277 × 2000 yielding 12554000

= 15441420
