We're going to solve 4140 multiplied by 7245
4140 × 7245 = 7245 × (4140)
+ 7245 × 0 resulting in 0
+ 7245 × 40 that equals 289800
+ 7245 × 100 that is equal 724500
+ 7245 × 4000 that results in 28980000

= 29994300
