No problem, we've got 8662 and 6378 to multiply
8662 × 6378 = 6378 × (8662)
+ 6378 × 2 that equals 12756
+ 6378 × 60 what gives us 382680
+ 6378 × 600 what gives us 3826800
+ 6378 × 8000 yielding 51024000

= 55246236
