No problem, we've got 7883 and 1720 to multiply
7883 × 1720 = 1720 × (7883)
+ 1720 × 3 which equals 5160
+ 1720 × 80 yielding 137600
+ 1720 × 800 producing 1376000
+ 1720 × 7000 producing 12040000

= 13558760
