No problem, we've got 7980 and 9665 to multiply
7980 × 9665 = 9665 × (7980)
+ 9665 × 0 producing 0
+ 9665 × 80 producing 773200
+ 9665 × 900 which equals 8698500
+ 9665 × 7000 that results in 67655000

= 77126700
