No problem, we've got 1945 and 3619 to multiply
1945 × 3619 = 3619 × (1945)
+ 3619 × 5 which equals 18095
+ 3619 × 40 giving us 144760
+ 3619 × 900 that equals 3257100
+ 3619 × 1000 giving us 3619000

= 7038955
