Alright, let's work through 5110 times 3971 step by step
5110 × 3971 = 3971 × (5110)
+ 3971 × 0 that equals 0
+ 3971 × 10 giving us 39710
+ 3971 × 100 what gives us 397100
+ 3971 × 5000 that equals 19855000

= 20291810
