No problem, we've got 4102 and 4135 to multiply
4102 × 4135 = 4135 × (4102)
+ 4135 × 2 yielding 8270
+ 4135 × 00 what gives us 0
+ 4135 × 100 which equals 413500
+ 4135 × 4000 yielding 16540000

= 16961770
