No problem, we've got 6861 and 7773 to multiply
6861 × 7773 = 7773 × (6861)
+ 7773 × 1 that equals 7773
+ 7773 × 60 giving us 466380
+ 7773 × 800 that equals 6218400
+ 7773 × 6000 resulting in 46638000

= 53330553
