No problem, we've got 2245 and 1624 to multiply
2245 × 1624 = 1624 × (2245)
+ 1624 × 5 which equals 8120
+ 1624 × 40 which equals 64960
+ 1624 × 200 which equals 324800
+ 1624 × 2000 what gives us 3248000

= 3645880
