Alright, let's work through 8670 times 6402 step by step
8670 × 6402 = 6402 × (8670)
+ 6402 × 0 giving us 0
+ 6402 × 70 that is equal 448140
+ 6402 × 600 giving us 3841200
+ 6402 × 8000 what gives us 51216000

= 55505340
