Alright, let's work through 53398693 times 74800192 step by step
53398693 × 74800192 = 74800192 × (53398693)
+ 74800192 × 3 what gives us 224400576
+ 74800192 × 90 which equals 6732017280
+ 74800192 × 600 that is equal 44880115200
+ 74800192 × 8000 that is equal 598401536000
+ 74800192 × 90000 resulting in 6732017280000
+ 74800192 × 300000 that results in 22440057600000
+ 74800192 × 3000000 yielding 224400576000000
+ 74800192 × 50000000 that is equal 3740009600000000

= 3994232488949056
