No problem, we've got 4102 and 1045 to multiply
4102 × 1045 = 1045 × (4102)
+ 1045 × 2 producing 2090
+ 1045 × 00 that results in 0
+ 1045 × 100 that is equal 104500
+ 1045 × 4000 which equals 4180000

= 4286590
