No problem, we've got 3923 and 3517 to multiply
3923 × 3517 = 3517 × (3923)
+ 3517 × 3 that is equal 10551
+ 3517 × 20 what gives us 70340
+ 3517 × 900 which equals 3165300
+ 3517 × 3000 that results in 10551000

= 13797191
