We're going to solve 3645 multiplied by 6229
3645 × 6229 = 6229 × (3645)
+ 6229 × 5 that equals 31145
+ 6229 × 40 that is equal 249160
+ 6229 × 600 yielding 3737400
+ 6229 × 3000 which equals 18687000

= 22704705
