Alright, let's work through 5408 times 7971 step by step
5408 × 7971 = 7971 × (5408)
+ 7971 × 8 that is equal 63768
+ 7971 × 00 which equals 0
+ 7971 × 400 that is equal 3188400
+ 7971 × 5000 giving us 39855000

= 43107168
