No problem, we've got 6912 and 9000 to multiply
6912 × 9000 = 9000 × (6912)
+ 9000 × 2 what gives us 18000
+ 9000 × 10 that equals 90000
+ 9000 × 900 resulting in 8100000
+ 9000 × 6000 which equals 54000000

= 62208000
