No problem, we've got 4965 and 4077 to multiply
4965 × 4077 = 4077 × (4965)
+ 4077 × 5 what gives us 20385
+ 4077 × 60 that is equal 244620
+ 4077 × 900 that is equal 3669300
+ 4077 × 4000 that is equal 16308000

= 20242305
