Alright, let's work through 2470 times 6786 step by step
2470 × 6786 = 6786 × (2470)
+ 6786 × 0 yielding 0
+ 6786 × 70 yielding 475020
+ 6786 × 400 that equals 2714400
+ 6786 × 2000 that is equal 13572000

= 16761420
