We're going to solve 7428 multiplied by 1807
7428 × 1807 = 1807 × (7428)
+ 1807 × 8 which equals 14456
+ 1807 × 20 which equals 36140
+ 1807 × 400 that equals 722800
+ 1807 × 7000 that is equal 12649000

= 13422396
