No problem, we've got 4815 and 4615 to multiply
4815 × 4615 = 4615 × (4815)
+ 4615 × 5 what gives us 23075
+ 4615 × 10 that results in 46150
+ 4615 × 800 giving us 3692000
+ 4615 × 4000 which equals 18460000

= 22221225
