We're going to solve 3960 multiplied by 1258
3960 × 1258 = 1258 × (3960)
+ 1258 × 0 that equals 0
+ 1258 × 60 that is equal 75480
+ 1258 × 900 that is equal 1132200
+ 1258 × 3000 yielding 3774000

= 4981680
