No problem, we've got 9823 and 4355 to multiply
9823 × 4355 = 4355 × (9823)
+ 4355 × 3 producing 13065
+ 4355 × 20 giving us 87100
+ 4355 × 800 yielding 3484000
+ 4355 × 9000 producing 39195000

= 42779165
