No problem, we've got 8142 and 4156 to multiply
8142 × 4156 = 4156 × (8142)
+ 4156 × 2 that equals 8312
+ 4156 × 40 producing 166240
+ 4156 × 100 which equals 415600
+ 4156 × 8000 giving us 33248000

= 33838152
