No problem, we've got 6468 and 9890 to multiply
6468 × 9890 = 9890 × (6468)
+ 9890 × 8 yielding 79120
+ 9890 × 60 that equals 593400
+ 9890 × 400 what gives us 3956000
+ 9890 × 6000 giving us 59340000

= 63968520
