We're going to solve 3845 multiplied by 1220
3845 × 1220 = 1220 × (3845)
+ 1220 × 5 that is equal 6100
+ 1220 × 40 which equals 48800
+ 1220 × 800 that is equal 976000
+ 1220 × 3000 that is equal 3660000

= 4690900
