No problem, we've got 6699 and 9521 to multiply
6699 × 9521 = 9521 × (6699)
+ 9521 × 9 that is equal 85689
+ 9521 × 90 that is equal 856890
+ 9521 × 600 giving us 5712600
+ 9521 × 6000 that results in 57126000

= 63781179
