No problem, we've got 9005 and 7992 to multiply
9005 × 7992 = 7992 × (9005)
+ 7992 × 5 that equals 39960
+ 7992 × 00 yielding 0
+ 7992 × 000 that equals 0
+ 7992 × 9000 that results in 71928000

= 71967960
