Alright, let's work through 66848731 times 69907119 step by step
66848731 × 69907119 = 69907119 × (66848731)
+ 69907119 × 1 that results in 69907119
+ 69907119 × 30 that equals 2097213570
+ 69907119 × 700 what gives us 48934983300
+ 69907119 × 8000 which equals 559256952000
+ 69907119 × 40000 that results in 2796284760000
+ 69907119 × 800000 giving us 55925695200000
+ 69907119 × 6000000 giving us 419442714000000
+ 69907119 × 60000000 that results in 4194427140000000

= 4673202193015989
