No problem, we've got 8010 and 9015 to multiply
8010 × 9015 = 9015 × (8010)
+ 9015 × 0 that equals 0
+ 9015 × 10 what gives us 90150
+ 9015 × 000 which equals 0
+ 9015 × 8000 that is equal 72120000

= 72210150
