No problem, we've got 7885 and 3603 to multiply
7885 × 3603 = 3603 × (7885)
+ 3603 × 5 resulting in 18015
+ 3603 × 80 that equals 288240
+ 3603 × 800 yielding 2882400
+ 3603 × 7000 yielding 25221000

= 28409655
