No problem, we've got 90462766 and 72130278 to multiply
90462766 × 72130278 = 72130278 × (90462766)
+ 72130278 × 6 that is equal 432781668
+ 72130278 × 60 that results in 4327816680
+ 72130278 × 700 what gives us 50491194600
+ 72130278 × 2000 producing 144260556000
+ 72130278 × 60000 yielding 4327816680000
+ 72130278 × 400000 producing 28852111200000
+ 72130278 × 0000000 what gives us 0
+ 72130278 × 90000000 that equals 6491725020000000

= 6525104460228948
