No problem, we've got 7957 and 8190 to multiply
7957 × 8190 = 8190 × (7957)
+ 8190 × 7 giving us 57330
+ 8190 × 50 producing 409500
+ 8190 × 900 that is equal 7371000
+ 8190 × 7000 that equals 57330000

= 65167830
