We're going to solve 4131 multiplied by 1803
4131 × 1803 = 1803 × (4131)
+ 1803 × 1 what gives us 1803
+ 1803 × 30 what gives us 54090
+ 1803 × 100 what gives us 180300
+ 1803 × 4000 that equals 7212000

= 7448193
