No problem, we've got 6641 and 9877 to multiply
6641 × 9877 = 9877 × (6641)
+ 9877 × 1 which equals 9877
+ 9877 × 40 resulting in 395080
+ 9877 × 600 that equals 5926200
+ 9877 × 6000 resulting in 59262000

= 65593157
