Alright, let's work through 2080 times 1377 step by step
2080 × 1377 = 1377 × (2080)
+ 1377 × 0 which equals 0
+ 1377 × 80 what gives us 110160
+ 1377 × 000 what gives us 0
+ 1377 × 2000 what gives us 2754000

= 2864160
