No problem, we've got 3103 and 1258 to multiply
3103 × 1258 = 1258 × (3103)
+ 1258 × 3 which equals 3774
+ 1258 × 00 yielding 0
+ 1258 × 100 giving us 125800
+ 1258 × 3000 that is equal 3774000

= 3903574
