Alright, let's work through 7977 times 9040 step by step
7977 × 9040 = 9040 × (7977)
+ 9040 × 7 what gives us 63280
+ 9040 × 70 that results in 632800
+ 9040 × 900 what gives us 8136000
+ 9040 × 7000 which equals 63280000

= 72112080
