Alright, let's work through 1921 times 4689 step by step
1921 × 4689 = 4689 × (1921)
+ 4689 × 1 which equals 4689
+ 4689 × 20 that results in 93780
+ 4689 × 900 that is equal 4220100
+ 4689 × 1000 what gives us 4689000

= 9007569
