Alright, let's work through 4101 times 6375 step by step
4101 × 6375 = 6375 × (4101)
+ 6375 × 1 producing 6375
+ 6375 × 00 that is equal 0
+ 6375 × 100 producing 637500
+ 6375 × 4000 giving us 25500000

= 26143875
