Alright, let's work through 2086 times 7750 step by step
2086 × 7750 = 7750 × (2086)
+ 7750 × 6 what gives us 46500
+ 7750 × 80 which equals 620000
+ 7750 × 000 that equals 0
+ 7750 × 2000 producing 15500000

= 16166500
