Alright, let's work through 7880 times 8037 step by step
7880 × 8037 = 8037 × (7880)
+ 8037 × 0 what gives us 0
+ 8037 × 80 that equals 642960
+ 8037 × 800 producing 6429600
+ 8037 × 7000 producing 56259000

= 63331560
