No problem, we've got 7883 and 1603 to multiply
7883 × 1603 = 1603 × (7883)
+ 1603 × 3 producing 4809
+ 1603 × 80 yielding 128240
+ 1603 × 800 that results in 1282400
+ 1603 × 7000 that equals 11221000

= 12636449
