We're going to solve 2420 multiplied by 1574
2420 × 1574 = 1574 × (2420)
+ 1574 × 0 producing 0
+ 1574 × 20 resulting in 31480
+ 1574 × 400 which equals 629600
+ 1574 × 2000 what gives us 3148000

= 3809080
