No problem, we've got 7655 and 770 to multiply
7655 × 770 = 770 × (7655)
+ 770 × 5 that is equal 3850
+ 770 × 50 that equals 38500
+ 770 × 600 what gives us 462000
+ 770 × 7000 that equals 5390000

= 5894350
