No problem, we've got 9904 and 1803 to multiply
9904 × 1803 = 1803 × (9904)
+ 1803 × 4 that is equal 7212
+ 1803 × 00 that is equal 0
+ 1803 × 900 what gives us 1622700
+ 1803 × 9000 giving us 16227000

= 17856912
