No problem, we've got 9143 and 6999 to multiply
9143 × 6999 = 6999 × (9143)
+ 6999 × 3 giving us 20997
+ 6999 × 40 that results in 279960
+ 6999 × 100 resulting in 699900
+ 6999 × 9000 which equals 62991000

= 63991857
