We're going to solve 3320 multiplied by 5872
3320 × 5872 = 5872 × (3320)
+ 5872 × 0 yielding 0
+ 5872 × 20 what gives us 117440
+ 5872 × 300 yielding 1761600
+ 5872 × 3000 giving us 17616000

= 19495040
