No problem, we've got 2543 and 9804 to multiply
2543 × 9804 = 9804 × (2543)
+ 9804 × 3 what gives us 29412
+ 9804 × 40 giving us 392160
+ 9804 × 500 giving us 4902000
+ 9804 × 2000 yielding 19608000

= 24931572
