No problem, we've got 7663 and 6821 to multiply
7663 × 6821 = 6821 × (7663)
+ 6821 × 3 which equals 20463
+ 6821 × 60 resulting in 409260
+ 6821 × 600 resulting in 4092600
+ 6821 × 7000 yielding 47747000

= 52269323
