No problem, we've got 9186 and 6439 to multiply
9186 × 6439 = 6439 × (9186)
+ 6439 × 6 which equals 38634
+ 6439 × 80 which equals 515120
+ 6439 × 100 giving us 643900
+ 6439 × 9000 which equals 57951000

= 59148654
