No problem, we've got 87390787 and 85042978 to multiply
87390787 × 85042978 = 85042978 × (87390787)
+ 85042978 × 7 giving us 595300846
+ 85042978 × 80 producing 6803438240
+ 85042978 × 700 that equals 59530084600
+ 85042978 × 0000 that is equal 0
+ 85042978 × 90000 that is equal 7653868020000
+ 85042978 × 300000 what gives us 25512893400000
+ 85042978 × 7000000 yielding 595300846000000
+ 85042978 × 80000000 that results in 6803438240000000

= 7431972776243686
