No problem, we've got 7985 and 1553 to multiply
7985 × 1553 = 1553 × (7985)
+ 1553 × 5 producing 7765
+ 1553 × 80 giving us 124240
+ 1553 × 900 which equals 1397700
+ 1553 × 7000 that results in 10871000

= 12400705
