We're going to solve 1671 multiplied by 4360
1671 × 4360 = 4360 × (1671)
+ 4360 × 1 what gives us 4360
+ 4360 × 70 yielding 305200
+ 4360 × 600 yielding 2616000
+ 4360 × 1000 yielding 4360000

= 7285560
