We're going to solve 4720 multiplied by 8140
4720 × 8140 = 8140 × (4720)
+ 8140 × 0 that is equal 0
+ 8140 × 20 that is equal 162800
+ 8140 × 700 what gives us 5698000
+ 8140 × 4000 resulting in 32560000

= 38420800
