Alright, let's work through 7140 times 5159 step by step
7140 × 5159 = 5159 × (7140)
+ 5159 × 0 that is equal 0
+ 5159 × 40 which equals 206360
+ 5159 × 100 producing 515900
+ 5159 × 7000 producing 36113000

= 36835260
