Alright, let's work through 60790679 times 86791063 step by step
60790679 × 86791063 = 86791063 × (60790679)
+ 86791063 × 9 producing 781119567
+ 86791063 × 70 that equals 6075374410
+ 86791063 × 600 giving us 52074637800
+ 86791063 × 0000 that results in 0
+ 86791063 × 90000 that equals 7811195670000
+ 86791063 × 700000 which equals 60753744100000
+ 86791063 × 0000000 resulting in 0
+ 86791063 × 60000000 which equals 5207463780000000

= 5276087650901777
