Alright, let's work through 9958 times 6489 step by step
9958 × 6489 = 6489 × (9958)
+ 6489 × 8 producing 51912
+ 6489 × 50 producing 324450
+ 6489 × 900 what gives us 5840100
+ 6489 × 9000 that is equal 58401000

= 64617462
