No problem, we've got 6544 and 9890 to multiply
6544 × 9890 = 9890 × (6544)
+ 9890 × 4 resulting in 39560
+ 9890 × 40 producing 395600
+ 9890 × 500 which equals 4945000
+ 9890 × 6000 which equals 59340000

= 64720160
