No problem, we've got 9837 and 2125 to multiply
9837 × 2125 = 2125 × (9837)
+ 2125 × 7 what gives us 14875
+ 2125 × 30 which equals 63750
+ 2125 × 800 yielding 1700000
+ 2125 × 9000 that equals 19125000

= 20903625
