No problem, we've got 6203 and 1035 to multiply
6203 × 1035 = 1035 × (6203)
+ 1035 × 3 what gives us 3105
+ 1035 × 00 that is equal 0
+ 1035 × 200 that results in 207000
+ 1035 × 6000 yielding 6210000

= 6420105
