No problem, we've got 1169 and 6640 to multiply
1169 × 6640 = 6640 × (1169)
+ 6640 × 9 yielding 59760
+ 6640 × 60 producing 398400
+ 6640 × 100 producing 664000
+ 6640 × 1000 resulting in 6640000

= 7762160
