No problem, we've got 5123 and 2205 to multiply
5123 × 2205 = 2205 × (5123)
+ 2205 × 3 what gives us 6615
+ 2205 × 20 which equals 44100
+ 2205 × 100 producing 220500
+ 2205 × 5000 that is equal 11025000

= 11296215
