No problem, we've got 4006 and 7172 to multiply
4006 × 7172 = 7172 × (4006)
+ 7172 × 6 producing 43032
+ 7172 × 00 that equals 0
+ 7172 × 000 which equals 0
+ 7172 × 4000 giving us 28688000

= 28731032
