No problem, we've got 2905 and 6915 to multiply
2905 × 6915 = 6915 × (2905)
+ 6915 × 5 that equals 34575
+ 6915 × 00 which equals 0
+ 6915 × 900 that is equal 6223500
+ 6915 × 2000 resulting in 13830000

= 20088075
