Alright, let's work through 2105 times 414 step by step
2105 × 414 = 414 × (2105)
+ 414 × 5 that equals 2070
+ 414 × 00 giving us 0
+ 414 × 100 that results in 41400
+ 414 × 2000 giving us 828000

= 871470
