Alright, let's work through 6401 times 9951 step by step
6401 × 9951 = 9951 × (6401)
+ 9951 × 1 that results in 9951
+ 9951 × 00 what gives us 0
+ 9951 × 400 giving us 3980400
+ 9951 × 6000 what gives us 59706000

= 63696351
