We're going to solve 2403 multiplied by 1373
2403 × 1373 = 1373 × (2403)
+ 1373 × 3 which equals 4119
+ 1373 × 00 that results in 0
+ 1373 × 400 producing 549200
+ 1373 × 2000 that results in 2746000

= 3299319
