No problem, we've got 7081 and 9091 to multiply
7081 × 9091 = 9091 × (7081)
+ 9091 × 1 what gives us 9091
+ 9091 × 80 producing 727280
+ 9091 × 000 that equals 0
+ 9091 × 7000 which equals 63637000

= 64373371
