No problem, we've got 7789 and 629 to multiply
7789 × 629 = 629 × (7789)
+ 629 × 9 giving us 5661
+ 629 × 80 that is equal 50320
+ 629 × 700 that equals 440300
+ 629 × 7000 yielding 4403000

= 4899281
