Alright, let's work through 2886 times 4478 step by step
2886 × 4478 = 4478 × (2886)
+ 4478 × 6 giving us 26868
+ 4478 × 80 that equals 358240
+ 4478 × 800 yielding 3582400
+ 4478 × 2000 that equals 8956000

= 12923508
