No problem, we've got 4215 and 4951 to multiply
4215 × 4951 = 4951 × (4215)
+ 4951 × 5 producing 24755
+ 4951 × 10 which equals 49510
+ 4951 × 200 what gives us 990200
+ 4951 × 4000 giving us 19804000

= 20868465
