No problem, we've got 4965 and 4025 to multiply
4965 × 4025 = 4025 × (4965)
+ 4025 × 5 producing 20125
+ 4025 × 60 what gives us 241500
+ 4025 × 900 giving us 3622500
+ 4025 × 4000 which equals 16100000

= 19984125
