We're going to solve 4139 multiplied by 6964
4139 × 6964 = 6964 × (4139)
+ 6964 × 9 that is equal 62676
+ 6964 × 30 giving us 208920
+ 6964 × 100 what gives us 696400
+ 6964 × 4000 that results in 27856000

= 28823996
