No problem, we've got 9155 and 5904 to multiply
9155 × 5904 = 5904 × (9155)
+ 5904 × 5 giving us 29520
+ 5904 × 50 that is equal 295200
+ 5904 × 100 what gives us 590400
+ 5904 × 9000 that equals 53136000

= 54051120
