No problem, we've got 6446 and 7761 to multiply
6446 × 7761 = 7761 × (6446)
+ 7761 × 6 that is equal 46566
+ 7761 × 40 that is equal 310440
+ 7761 × 400 what gives us 3104400
+ 7761 × 6000 what gives us 46566000

= 50027406
