No problem, we've got 6435 and 1518 to multiply
6435 × 1518 = 1518 × (6435)
+ 1518 × 5 what gives us 7590
+ 1518 × 30 what gives us 45540
+ 1518 × 400 which equals 607200
+ 1518 × 6000 resulting in 9108000

= 9768330
