No problem, we've got 4100 and 5037 to multiply
4100 × 5037 = 5037 × (4100)
+ 5037 × 0 that equals 0
+ 5037 × 00 giving us 0
+ 5037 × 100 resulting in 503700
+ 5037 × 4000 what gives us 20148000

= 20651700
