Alright, let's work through 6488 times 5680 step by step
6488 × 5680 = 5680 × (6488)
+ 5680 × 8 giving us 45440
+ 5680 × 80 what gives us 454400
+ 5680 × 400 resulting in 2272000
+ 5680 × 6000 producing 34080000

= 36851840
