No problem, we've got 7767 and 7899 to multiply
7767 × 7899 = 7899 × (7767)
+ 7899 × 7 that is equal 55293
+ 7899 × 60 which equals 473940
+ 7899 × 700 that equals 5529300
+ 7899 × 7000 what gives us 55293000

= 61351533
