Alright, let's work through 727728 times 78235769 step by step
727728 × 78235769 = 78235769 × (727728)
+ 78235769 × 8 which equals 625886152
+ 78235769 × 20 what gives us 1564715380
+ 78235769 × 700 which equals 54765038300
+ 78235769 × 7000 which equals 547650383000
+ 78235769 × 20000 giving us 1564715380000
+ 78235769 × 700000 giving us 54765038300000

= 56934359702832
