No problem, we've got 2905 and 5391 to multiply
2905 × 5391 = 5391 × (2905)
+ 5391 × 5 producing 26955
+ 5391 × 00 what gives us 0
+ 5391 × 900 what gives us 4851900
+ 5391 × 2000 that is equal 10782000

= 15660855
