We're going to solve 3405 multiplied by 1254
3405 × 1254 = 1254 × (3405)
+ 1254 × 5 which equals 6270
+ 1254 × 00 giving us 0
+ 1254 × 400 giving us 501600
+ 1254 × 3000 that is equal 3762000

= 4269870
