Let's calculate 3923 x 5262
3923 × 5262 = 5262 × (3923)
+ 5262 × 3 resulting in 15786
+ 5262 × 20 yielding 105240
+ 5262 × 900 that results in 4735800
+ 5262 × 3000 what gives us 15786000

= 20642826
