No problem, we've got 6355 and 3603 to multiply
6355 × 3603 = 3603 × (6355)
+ 3603 × 5 which equals 18015
+ 3603 × 50 that equals 180150
+ 3603 × 300 giving us 1080900
+ 3603 × 6000 that results in 21618000

= 22897065
