We're going to solve 1869 multiplied by 4003
1869 × 4003 = 4003 × (1869)
+ 4003 × 9 that is equal 36027
+ 4003 × 60 what gives us 240180
+ 4003 × 800 that results in 3202400
+ 4003 × 1000 what gives us 4003000

= 7481607
