No problem, we've got 6902 and 2155 to multiply
6902 × 2155 = 2155 × (6902)
+ 2155 × 2 giving us 4310
+ 2155 × 00 giving us 0
+ 2155 × 900 that is equal 1939500
+ 2155 × 6000 producing 12930000

= 14873810
