Alright, let's work through 1050 times 7890 step by step
1050 × 7890 = 7890 × (1050)
+ 7890 × 0 that is equal 0
+ 7890 × 50 that results in 394500
+ 7890 × 000 giving us 0
+ 7890 × 1000 that results in 7890000

= 8284500
