Alright, let's work through 1921 times 860 step by step
1921 × 860 = 860 × (1921)
+ 860 × 1 that is equal 860
+ 860 × 20 which equals 17200
+ 860 × 900 that equals 774000
+ 860 × 1000 yielding 860000

= 1652060
