No problem, we've got 7899 and 9641 to multiply
7899 × 9641 = 9641 × (7899)
+ 9641 × 9 which equals 86769
+ 9641 × 90 that is equal 867690
+ 9641 × 800 that equals 7712800
+ 9641 × 7000 that is equal 67487000

= 76154259
