Alright, let's work through 5400 times 6489 step by step
5400 × 6489 = 6489 × (5400)
+ 6489 × 0 giving us 0
+ 6489 × 00 producing 0
+ 6489 × 400 yielding 2595600
+ 6489 × 5000 resulting in 32445000

= 35040600
