Alright, let's work through 69334878 times 89743789 step by step
69334878 × 89743789 = 89743789 × (69334878)
+ 89743789 × 8 what gives us 717950312
+ 89743789 × 70 that equals 6282065230
+ 89743789 × 800 what gives us 71795031200
+ 89743789 × 4000 that is equal 358975156000
+ 89743789 × 30000 yielding 2692313670000
+ 89743789 × 300000 producing 26923136700000
+ 89743789 × 9000000 yielding 807694101000000
+ 89743789 × 60000000 that is equal 5384627340000000

= 6222374661572742
