We're going to solve 1688 multiplied by 4803
1688 × 4803 = 4803 × (1688)
+ 4803 × 8 what gives us 38424
+ 4803 × 80 what gives us 384240
+ 4803 × 600 that equals 2881800
+ 4803 × 1000 what gives us 4803000

= 8107464
