Alright, let's work through 7667 times 1980 step by step
7667 × 1980 = 1980 × (7667)
+ 1980 × 7 resulting in 13860
+ 1980 × 60 what gives us 118800
+ 1980 × 600 what gives us 1188000
+ 1980 × 7000 that equals 13860000

= 15180660
