No problem, we've got 2584 and 7803 to multiply
2584 × 7803 = 7803 × (2584)
+ 7803 × 4 producing 31212
+ 7803 × 80 which equals 624240
+ 7803 × 500 that results in 3901500
+ 7803 × 2000 giving us 15606000

= 20162952
