Alright, let's work through 2086 times 4215 step by step
2086 × 4215 = 4215 × (2086)
+ 4215 × 6 which equals 25290
+ 4215 × 80 that results in 337200
+ 4215 × 000 what gives us 0
+ 4215 × 2000 giving us 8430000

= 8792490
