No problem, we've got 1904 and 9171 to multiply
1904 × 9171 = 9171 × (1904)
+ 9171 × 4 that equals 36684
+ 9171 × 00 producing 0
+ 9171 × 900 giving us 8253900
+ 9171 × 1000 that is equal 9171000

= 17461584
