Alright, let's work through 3901 times 7159 step by step
3901 × 7159 = 7159 × (3901)
+ 7159 × 1 that equals 7159
+ 7159 × 00 which equals 0
+ 7159 × 900 that results in 6443100
+ 7159 × 3000 that results in 21477000

= 27927259
