No problem, we've got 9845 and 4055 to multiply
9845 × 4055 = 4055 × (9845)
+ 4055 × 5 that equals 20275
+ 4055 × 40 which equals 162200
+ 4055 × 800 that equals 3244000
+ 4055 × 9000 producing 36495000

= 39921475
