Alright, let's work through 66558794 times 13471223 step by step
66558794 × 13471223 = 13471223 × (66558794)
+ 13471223 × 4 which equals 53884892
+ 13471223 × 90 that equals 1212410070
+ 13471223 × 700 giving us 9429856100
+ 13471223 × 8000 giving us 107769784000
+ 13471223 × 50000 what gives us 673561150000
+ 13471223 × 500000 what gives us 6735611500000
+ 13471223 × 6000000 that equals 80827338000000
+ 13471223 × 60000000 giving us 808273380000000

= 896628356585062
